Finding the Fourth Proportional to 125,702.52, 173,472.88 and 68,345.68
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Solution
The fourth proportional to 125,702.52, 173,472.88 and 68,345.68 is: 94,318.89
Step by Step Solution
- Step 1: Write the proportion equation
125,702.52 : 173,472.88 = 68,345.68 : x - Step 2: Convert to fraction form
125,702.52/173,472.88 = 68,345.68/x - Step 3: Cross multiply
125,702.52x = 173,472.88 × 68,345.68 - Step 4: Simplify right side
125,702.52x = 11,856,121,945.16 - Step 5: Solve for x
x = 11,856,121,945.16/125,702.52 - Step 6: Final answer
x = 94,318.89
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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.