Home / 238,906.92-329,691.61-131,476.93

Finding the Fourth Proportional to 238,906.92, 329,691.61 and 131,476.93

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Solution

The fourth proportional to 238,906.92, 329,691.61 and 131,476.93 is: 181,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,906.92 : 329,691.61 = 131,476.93 : x
  2. Step 2: Convert to fraction form
    238,906.92/329,691.61 = 131,476.93/x
  3. Step 3: Cross multiply
    238,906.92x = 329,691.61 × 131,476.93
  4. Step 4: Simplify right side
    238,906.92x = 43,346,840,729.56
  5. Step 5: Solve for x
    x = 43,346,840,729.56/238,906.92
  6. Step 6: Final answer
    x = 181,438.20

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1.5x scale

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.