Finding the Fourth Proportional to 123,793.08, 170,831.79 and 67,204.44
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Solution
The fourth proportional to 123,793.08, 170,831.79 and 67,204.44 is: 92,740.68
Step by Step Solution
- Step 1: Write the proportion equation
123,793.08 : 170,831.79 = 67,204.44 : x - Step 2: Convert to fraction form
123,793.08/170,831.79 = 67,204.44/x - Step 3: Cross multiply
123,793.08x = 170,831.79 × 67,204.44 - Step 4: Simplify right side
123,793.08x = 11,480,654,781.15 - Step 5: Solve for x
x = 11,480,654,781.15/123,793.08 - Step 6: Final answer
x = 92,740.68
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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.