Home / 87,549.27-131,364.90-43,151.79

Finding the Fourth Proportional to 87,549.27, 131,364.90 and 43,151.79

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Solution

The fourth proportional to 87,549.27, 131,364.90 and 43,151.79 is: 64,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,549.27 : 131,364.90 = 43,151.79 : x
  2. Step 2: Convert to fraction form
    87,549.27/131,364.90 = 43,151.79/x
  3. Step 3: Cross multiply
    87,549.27x = 131,364.90 × 43,151.79
  4. Step 4: Simplify right side
    87,549.27x = 5,668,630,578.17
  5. Step 5: Solve for x
    x = 5,668,630,578.17/87,549.27
  6. Step 6: Final answer
    x = 64,747.89

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1.5x scale

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.