Home / 187,422.48-281,102.40-82,213.20

Finding the Fourth Proportional to 187,422.48, 281,102.40 and 82,213.20

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Solution

The fourth proportional to 187,422.48, 281,102.40 and 82,213.20 is: 123,306.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,422.48 : 281,102.40 = 82,213.20 : x
  2. Step 2: Convert to fraction form
    187,422.48/281,102.40 = 82,213.20/x
  3. Step 3: Cross multiply
    187,422.48x = 281,102.40 × 82,213.20
  4. Step 4: Simplify right side
    187,422.48x = 23,110,327,831.68
  5. Step 5: Solve for x
    x = 23,110,327,831.68/187,422.48
  6. Step 6: Final answer
    x = 123,306.06

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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.