Home / 87,546.60-131,360.90-43,149.15

Finding the Fourth Proportional to 87,546.60, 131,360.90 and 43,149.15

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Solution

The fourth proportional to 87,546.60, 131,360.90 and 43,149.15 is: 64,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,546.60 : 131,360.90 = 43,149.15 : x
  2. Step 2: Convert to fraction form
    87,546.60/131,360.90 = 43,149.15/x
  3. Step 3: Cross multiply
    87,546.60x = 131,360.90 × 43,149.15
  4. Step 4: Simplify right side
    87,546.60x = 5,668,111,178.24
  5. Step 5: Solve for x
    x = 5,668,111,178.24/87,546.60
  6. Step 6: Final answer
    x = 64,743.93

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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.