Home / 187,729.40-281,630.85-82,548.07

Finding the Fourth Proportional to 187,729.40, 281,630.85 and 82,548.07

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Solution

The fourth proportional to 187,729.40, 281,630.85 and 82,548.07 is: 123,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,729.40 : 281,630.85 = 82,548.07 : x
  2. Step 2: Convert to fraction form
    187,729.40/281,630.85 = 82,548.07/x
  3. Step 3: Cross multiply
    187,729.40x = 281,630.85 × 82,548.07
  4. Step 4: Simplify right side
    187,729.40x = 23,248,081,711.81
  5. Step 5: Solve for x
    x = 23,248,081,711.81/187,729.40
  6. Step 6: Final answer
    x = 123,838.26

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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.