Home / 187,569.30-281,390.40-54,453.90

Finding the Fourth Proportional to 187,569.30, 281,390.40 and 54,453.90

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Solution

The fourth proportional to 187,569.30, 281,390.40 and 54,453.90 is: 81,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,569.30 : 281,390.40 = 54,453.90 : x
  2. Step 2: Convert to fraction form
    187,569.30/281,390.40 = 54,453.90/x
  3. Step 3: Cross multiply
    187,569.30x = 281,390.40 × 54,453.90
  4. Step 4: Simplify right side
    187,569.30x = 15,322,804,702.56
  5. Step 5: Solve for x
    x = 15,322,804,702.56/187,569.30
  6. Step 6: Final answer
    x = 81,691.43

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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.