Payment process request approval rules on the basis of installment

Hi Experts,

I want to design payment workflow on the basis of selected installment if any of the selected installment is equal to or more than $ 100000 it should be routed to approver and if the selected installments are not more than $ 100000 no approval should be be triggered . Below are the examples for the basis of approval -

1. If I run a PPR with total amount of $ 100000 - one installment is of $ 80000 and $ 20000 : then approval should not be triggered.
2. If I run a PPR with total amount of $ 200000 - one installment is of $ 110000 and other is of $ 90000 : then approval should be triggered