Finding the Fourth Proportional to 125,413.25, 173,058.86 and 74,417.19
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Solution
The fourth proportional to 125,413.25, 173,058.86 and 74,417.19 is: 102,688.94
Step by Step Solution
- Step 1: Write the proportion equation
125,413.25 : 173,058.86 = 74,417.19 : x - Step 2: Convert to fraction form
125,413.25/173,058.86 = 74,417.19/x - Step 3: Cross multiply
125,413.25x = 173,058.86 × 74,417.19 - Step 4: Simplify right side
125,413.25x = 12,878,553,693.72 - Step 5: Solve for x
x = 12,878,553,693.72/125,413.25 - Step 6: Final answer
x = 102,688.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.