Home / 187,375.68-281,104.56-54,261.36

Finding the Fourth Proportional to 187,375.68, 281,104.56 and 54,261.36

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Solution

The fourth proportional to 187,375.68, 281,104.56 and 54,261.36 is: 81,403.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,375.68 : 281,104.56 = 54,261.36 : x
  2. Step 2: Convert to fraction form
    187,375.68/281,104.56 = 54,261.36/x
  3. Step 3: Cross multiply
    187,375.68x = 281,104.56 × 54,261.36
  4. Step 4: Simplify right side
    187,375.68x = 15,253,115,727.80
  5. Step 5: Solve for x
    x = 15,253,115,727.80/187,375.68
  6. Step 6: Final answer
    x = 81,403.92

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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.