Home / 151,902.38-227,853.48-67,640.78

Finding the Fourth Proportional to 151,902.38, 227,853.48 and 67,640.78

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Solution

The fourth proportional to 151,902.38, 227,853.48 and 67,640.78 is: 101,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,902.38 : 227,853.48 = 67,640.78 : x
  2. Step 2: Convert to fraction form
    151,902.38/227,853.48 = 67,640.78/x
  3. Step 3: Cross multiply
    151,902.38x = 227,853.48 × 67,640.78
  4. Step 4: Simplify right side
    151,902.38x = 15,412,187,112.91
  5. Step 5: Solve for x
    x = 15,412,187,112.91/151,902.38
  6. Step 6: Final answer
    x = 101,461.13

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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.