Home / 129,411.27-194,117.04-40,672.53

Finding the Fourth Proportional to 129,411.27, 194,117.04 and 40,672.53

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Solution

The fourth proportional to 129,411.27, 194,117.04 and 40,672.53 is: 61,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,411.27 : 194,117.04 = 40,672.53 : x
  2. Step 2: Convert to fraction form
    129,411.27/194,117.04 = 40,672.53/x
  3. Step 3: Cross multiply
    129,411.27x = 194,117.04 × 40,672.53
  4. Step 4: Simplify right side
    129,411.27x = 7,895,231,132.91
  5. Step 5: Solve for x
    x = 7,895,231,132.91/129,411.27
  6. Step 6: Final answer
    x = 61,008.84

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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.