Finding the Fourth Proportional to 115,537.10, 159,413.88 and 67,110.26
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Solution
The fourth proportional to 115,537.10, 159,413.88 and 67,110.26 is: 92,596.28
Step by Step Solution
- Step 1: Write the proportion equation
115,537.10 : 159,413.88 = 67,110.26 : x - Step 2: Convert to fraction form
115,537.10/159,413.88 = 67,110.26/x - Step 3: Cross multiply
115,537.10x = 159,413.88 × 67,110.26 - Step 4: Simplify right side
115,537.10x = 10,698,306,200.26 - Step 5: Solve for x
x = 10,698,306,200.26/115,537.10 - Step 6: Final answer
x = 92,596.28
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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.