Home / 87,905.22-131,861.46-25,575.72

Finding the Fourth Proportional to 87,905.22, 131,861.46 and 25,575.72

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Solution

The fourth proportional to 87,905.22, 131,861.46 and 25,575.72 is: 38,364.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,905.22 : 131,861.46 = 25,575.72 : x
  2. Step 2: Convert to fraction form
    87,905.22/131,861.46 = 25,575.72/x
  3. Step 3: Cross multiply
    87,905.22x = 131,861.46 × 25,575.72
  4. Step 4: Simplify right side
    87,905.22x = 3,372,451,381.18
  5. Step 5: Solve for x
    x = 3,372,451,381.18/87,905.22
  6. Step 6: Final answer
    x = 38,364.63

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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.