Finding the Fourth Proportional to 125,221.15, 187,831.73 and 62,053.30
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Solution
The fourth proportional to 125,221.15, 187,831.73 and 62,053.30 is: 93,079.95
Step by Step Solution
- Step 1: Write the proportion equation
125,221.15 : 187,831.73 = 62,053.30 : x - Step 2: Convert to fraction form
125,221.15/187,831.73 = 62,053.30/x - Step 3: Cross multiply
125,221.15x = 187,831.73 × 62,053.30 - Step 4: Simplify right side
125,221.15x = 11,655,578,691.21 - Step 5: Solve for x
x = 11,655,578,691.21/125,221.15 - Step 6: Final answer
x = 93,079.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.