Home / 87,445.13-131,168.86-27,471.65

Finding the Fourth Proportional to 87,445.13, 131,168.86 and 27,471.65

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Solution

The fourth proportional to 87,445.13, 131,168.86 and 27,471.65 is: 41,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,445.13 : 131,168.86 = 27,471.65 : x
  2. Step 2: Convert to fraction form
    87,445.13/131,168.86 = 27,471.65/x
  3. Step 3: Cross multiply
    87,445.13x = 131,168.86 × 27,471.65
  4. Step 4: Simplify right side
    87,445.13x = 3,603,424,288.30
  5. Step 5: Solve for x
    x = 3,603,424,288.30/87,445.13
  6. Step 6: Final answer
    x = 41,207.84

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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.