Home / 87,934.14-131,900.05-21,374.07

Finding the Fourth Proportional to 87,934.14, 131,900.05 and 21,374.07

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Solution

The fourth proportional to 87,934.14, 131,900.05 and 21,374.07 is: 32,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,934.14 : 131,900.05 = 21,374.07 : x
  2. Step 2: Convert to fraction form
    87,934.14/131,900.05 = 21,374.07/x
  3. Step 3: Cross multiply
    87,934.14x = 131,900.05 × 21,374.07
  4. Step 4: Simplify right side
    87,934.14x = 2,819,240,901.70
  5. Step 5: Solve for x
    x = 2,819,240,901.70/87,934.14
  6. Step 6: Final answer
    x = 32,060.82

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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.