In this task, you are given a list. This list contains many lists of integers. The list is several items written within a []. Your task is to find the maximum number among the members of each inner list. The output should be a list comprised of the maximums with the same order as the internal lists.
[[-9, -1, -138, -114], [-12, 36, 95, -20, -41, 74, 21], [-12, 41, 31, -125, 3]]