Home / 87,674.24-131,306.33-43,157.86

Finding the Fourth Proportional to 87,674.24, 131,306.33 and 43,157.86

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Solution

The fourth proportional to 87,674.24, 131,306.33 and 43,157.86 is: 64,635.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,674.24 : 131,306.33 = 43,157.86 : x
  2. Step 2: Convert to fraction form
    87,674.24/131,306.33 = 43,157.86/x
  3. Step 3: Cross multiply
    87,674.24x = 131,306.33 × 43,157.86
  4. Step 4: Simplify right side
    87,674.24x = 5,666,900,207.25
  5. Step 5: Solve for x
    x = 5,666,900,207.25/87,674.24
  6. Step 6: Final answer
    x = 64,635.86

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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.