Home / 204,139.29-281,727.99-122,470.61

Finding the Fourth Proportional to 204,139.29, 281,727.99 and 122,470.61

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Solution

The fourth proportional to 204,139.29, 281,727.99 and 122,470.61 is: 169,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,139.29 : 281,727.99 = 122,470.61 : x
  2. Step 2: Convert to fraction form
    204,139.29/281,727.99 = 122,470.61/x
  3. Step 3: Cross multiply
    204,139.29x = 281,727.99 × 122,470.61
  4. Step 4: Simplify right side
    204,139.29x = 34,503,398,177.02
  5. Step 5: Solve for x
    x = 34,503,398,177.02/204,139.29
  6. Step 6: Final answer
    x = 169,018.90

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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.