Home / 187,747.20-281,620.65-75,427.44

Finding the Fourth Proportional to 187,747.20, 281,620.65 and 75,427.44

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Solution

The fourth proportional to 187,747.20, 281,620.65 and 75,427.44 is: 113,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,747.20 : 281,620.65 = 75,427.44 : x
  2. Step 2: Convert to fraction form
    187,747.20/281,620.65 = 75,427.44/x
  3. Step 3: Cross multiply
    187,747.20x = 281,620.65 × 75,427.44
  4. Step 4: Simplify right side
    187,747.20x = 21,241,924,680.64
  5. Step 5: Solve for x
    x = 21,241,924,680.64/187,747.20
  6. Step 6: Final answer
    x = 113,141.10

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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.