Home / 129,560.92-194,249.31-49,531.41

Finding the Fourth Proportional to 129,560.92, 194,249.31 and 49,531.41

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Solution

The fourth proportional to 129,560.92, 194,249.31 and 49,531.41 is: 74,261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,560.92 : 194,249.31 = 49,531.41 : x
  2. Step 2: Convert to fraction form
    129,560.92/194,249.31 = 49,531.41/x
  3. Step 3: Cross multiply
    129,560.92x = 194,249.31 × 49,531.41
  4. Step 4: Simplify right side
    129,560.92x = 9,621,442,215.83
  5. Step 5: Solve for x
    x = 9,621,442,215.83/129,560.92
  6. Step 6: Final answer
    x = 74,261.92

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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.