Home / 232,165.78-348,139.97-82,402.75

Finding the Fourth Proportional to 232,165.78, 348,139.97 and 82,402.75

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Solution

The fourth proportional to 232,165.78, 348,139.97 and 82,402.75 is: 123,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,165.78 : 348,139.97 = 82,402.75 : x
  2. Step 2: Convert to fraction form
    232,165.78/348,139.97 = 82,402.75/x
  3. Step 3: Cross multiply
    232,165.78x = 348,139.97 × 82,402.75
  4. Step 4: Simplify right side
    232,165.78x = 28,687,690,912.92
  5. Step 5: Solve for x
    x = 28,687,690,912.92/232,165.78
  6. Step 6: Final answer
    x = 123,565.54

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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.