Home / 87,964.60-131,947.01-21,404.74

Finding the Fourth Proportional to 87,964.60, 131,947.01 and 21,404.74

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Solution

The fourth proportional to 87,964.60, 131,947.01 and 21,404.74 is: 32,107.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,964.60 : 131,947.01 = 21,404.74 : x
  2. Step 2: Convert to fraction form
    87,964.60/131,947.01 = 21,404.74/x
  3. Step 3: Cross multiply
    87,964.60x = 131,947.01 × 21,404.74
  4. Step 4: Simplify right side
    87,964.60x = 2,824,291,442.83
  5. Step 5: Solve for x
    x = 2,824,291,442.83/87,964.60
  6. Step 6: Final answer
    x = 32,107.14

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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.