Home / 87,474.74-131,184.43-28,296.56

Finding the Fourth Proportional to 87,474.74, 131,184.43 and 28,296.56

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Solution

The fourth proportional to 87,474.74, 131,184.43 and 28,296.56 is: 42,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,474.74 : 131,184.43 = 28,296.56 : x
  2. Step 2: Convert to fraction form
    87,474.74/131,184.43 = 28,296.56/x
  3. Step 3: Cross multiply
    87,474.74x = 131,184.43 × 28,296.56
  4. Step 4: Simplify right side
    87,474.74x = 3,712,068,351.78
  5. Step 5: Solve for x
    x = 3,712,068,351.78/87,474.74
  6. Step 6: Final answer
    x = 42,435.89

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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.