Home / 187,445.30-281,204.40-54,329.90

Finding the Fourth Proportional to 187,445.30, 281,204.40 and 54,329.90

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Solution

The fourth proportional to 187,445.30, 281,204.40 and 54,329.90 is: 81,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,445.30 : 281,204.40 = 54,329.90 : x
  2. Step 2: Convert to fraction form
    187,445.30/281,204.40 = 54,329.90/x
  3. Step 3: Cross multiply
    187,445.30x = 281,204.40 × 54,329.90
  4. Step 4: Simplify right side
    187,445.30x = 15,277,806,931.56
  5. Step 5: Solve for x
    x = 15,277,806,931.56/187,445.30
  6. Step 6: Final answer
    x = 81,505.41

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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.