Finding the Fourth Proportional to 125,951.15, 173,815.70 and 77,535.07
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Solution
The fourth proportional to 125,951.15, 173,815.70 and 77,535.07 is: 107,000.31
Step by Step Solution
- Step 1: Write the proportion equation
125,951.15 : 173,815.70 = 77,535.07 : x - Step 2: Convert to fraction form
125,951.15/173,815.70 = 77,535.07/x - Step 3: Cross multiply
125,951.15x = 173,815.70 × 77,535.07 - Step 4: Simplify right side
125,951.15x = 13,476,811,644.38 - Step 5: Solve for x
x = 13,476,811,644.38/125,951.15 - Step 6: Final answer
x = 107,000.31
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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.