Home / 187,451.52-281,147.52-87,680.96

Finding the Fourth Proportional to 187,451.52, 281,147.52 and 87,680.96

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Solution

The fourth proportional to 187,451.52, 281,147.52 and 87,680.96 is: 131,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,451.52 : 281,147.52 = 87,680.96 : x
  2. Step 2: Convert to fraction form
    187,451.52/281,147.52 = 87,680.96/x
  3. Step 3: Cross multiply
    187,451.52x = 281,147.52 × 87,680.96
  4. Step 4: Simplify right side
    187,451.52x = 24,651,284,455.22
  5. Step 5: Solve for x
    x = 24,651,284,455.22/187,451.52
  6. Step 6: Final answer
    x = 131,507.52

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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.