Home / 129,657.64-194,562.99-54,772.93

Finding the Fourth Proportional to 129,657.64, 194,562.99 and 54,772.93

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Solution

The fourth proportional to 129,657.64, 194,562.99 and 54,772.93 is: 82,191.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,657.64 : 194,562.99 = 54,772.93 : x
  2. Step 2: Convert to fraction form
    129,657.64/194,562.99 = 54,772.93/x
  3. Step 3: Cross multiply
    129,657.64x = 194,562.99 × 54,772.93
  4. Step 4: Simplify right side
    129,657.64x = 10,656,785,031.86
  5. Step 5: Solve for x
    x = 10,656,785,031.86/129,657.64
  6. Step 6: Final answer
    x = 82,191.72

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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.