Home / 87,462.75-131,111-34,188.88

Finding the Fourth Proportional to 87,462.75, 131,111 and 34,188.88

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Solution

The fourth proportional to 87,462.75, 131,111 and 34,188.88 is: 51,250.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,462.75 : 131,111 = 34,188.88 : x
  2. Step 2: Convert to fraction form
    87,462.75/131,111 = 34,188.88/x
  3. Step 3: Cross multiply
    87,462.75x = 131,111 × 34,188.88
  4. Step 4: Simplify right side
    87,462.75x = 4,482,538,245.68
  5. Step 5: Solve for x
    x = 4,482,538,245.68/87,462.75
  6. Step 6: Final answer
    x = 51,250.83

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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.