Home / 187,801.20-281,714.76-75,481.48

Finding the Fourth Proportional to 187,801.20, 281,714.76 and 75,481.48

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Solution

The fourth proportional to 187,801.20, 281,714.76 and 75,481.48 is: 113,227.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,801.20 : 281,714.76 = 75,481.48 : x
  2. Step 2: Convert to fraction form
    187,801.20/281,714.76 = 75,481.48/x
  3. Step 3: Cross multiply
    187,801.20x = 281,714.76 × 75,481.48
  4. Step 4: Simplify right side
    187,801.20x = 21,264,247,022.64
  5. Step 5: Solve for x
    x = 21,264,247,022.64/187,801.20
  6. Step 6: Final answer
    x = 113,227.43

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1.5x scale

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.