Home / 187,422.60-281,231.10-82,252.20

Finding the Fourth Proportional to 187,422.60, 281,231.10 and 82,252.20

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Solution

The fourth proportional to 187,422.60, 281,231.10 and 82,252.20 is: 123,420.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,422.60 : 281,231.10 = 82,252.20 : x
  2. Step 2: Convert to fraction form
    187,422.60/281,231.10 = 82,252.20/x
  3. Step 3: Cross multiply
    187,422.60x = 281,231.10 × 82,252.20
  4. Step 4: Simplify right side
    187,422.60x = 23,131,876,683.42
  5. Step 5: Solve for x
    x = 23,131,876,683.42/187,422.60
  6. Step 6: Final answer
    x = 123,420.96

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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.