Home / 87,934.73-131,900.43-21,374.30

Finding the Fourth Proportional to 87,934.73, 131,900.43 and 21,374.30

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Solution

The fourth proportional to 87,934.73, 131,900.43 and 21,374.30 is: 32,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,934.73 : 131,900.43 = 21,374.30 : x
  2. Step 2: Convert to fraction form
    87,934.73/131,900.43 = 21,374.30/x
  3. Step 3: Cross multiply
    87,934.73x = 131,900.43 × 21,374.30
  4. Step 4: Simplify right side
    87,934.73x = 2,819,279,360.95
  5. Step 5: Solve for x
    x = 2,819,279,360.95/87,934.73
  6. Step 6: Final answer
    x = 32,061.05

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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.