Home / 151,712.80-227,314.05-120,001.30

Finding the Fourth Proportional to 151,712.80, 227,314.05 and 120,001.30

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Solution

The fourth proportional to 151,712.80, 227,314.05 and 120,001.30 is: 179,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,712.80 : 227,314.05 = 120,001.30 : x
  2. Step 2: Convert to fraction form
    151,712.80/227,314.05 = 120,001.30/x
  3. Step 3: Cross multiply
    151,712.80x = 227,314.05 × 120,001.30
  4. Step 4: Simplify right side
    151,712.80x = 27,277,981,508.27
  5. Step 5: Solve for x
    x = 27,277,981,508.27/151,712.80
  6. Step 6: Final answer
    x = 179,800.13

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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.