Home / 187,742.17-281,650.02-82,560.79

Finding the Fourth Proportional to 187,742.17, 281,650.02 and 82,560.79

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Solution

The fourth proportional to 187,742.17, 281,650.02 and 82,560.79 is: 123,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,742.17 : 281,650.02 = 82,560.79 : x
  2. Step 2: Convert to fraction form
    187,742.17/281,650.02 = 82,560.79/x
  3. Step 3: Cross multiply
    187,742.17x = 281,650.02 × 82,560.79
  4. Step 4: Simplify right side
    187,742.17x = 23,253,248,154.72
  5. Step 5: Solve for x
    x = 23,253,248,154.72/187,742.17
  6. Step 6: Final answer
    x = 123,857.35

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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.