Home / 87,935.22-131,901.60-21,375.14

Finding the Fourth Proportional to 87,935.22, 131,901.60 and 21,375.14

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Solution

The fourth proportional to 87,935.22, 131,901.60 and 21,375.14 is: 32,062.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,935.22 : 131,901.60 = 21,375.14 : x
  2. Step 2: Convert to fraction form
    87,935.22/131,901.60 = 21,375.14/x
  3. Step 3: Cross multiply
    87,935.22x = 131,901.60 × 21,375.14
  4. Step 4: Simplify right side
    87,935.22x = 2,819,415,166.22
  5. Step 5: Solve for x
    x = 2,819,415,166.22/87,935.22
  6. Step 6: Final answer
    x = 32,062.41

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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.