Home / 129,377.26-194,113.14-54,516.16

Finding the Fourth Proportional to 129,377.26, 194,113.14 and 54,516.16

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Solution

The fourth proportional to 129,377.26, 194,113.14 and 54,516.16 is: 81,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,377.26 : 194,113.14 = 54,516.16 : x
  2. Step 2: Convert to fraction form
    129,377.26/194,113.14 = 54,516.16/x
  3. Step 3: Cross multiply
    129,377.26x = 194,113.14 × 54,516.16
  4. Step 4: Simplify right side
    129,377.26x = 10,582,302,998.34
  5. Step 5: Solve for x
    x = 10,582,302,998.34/129,377.26
  6. Step 6: Final answer
    x = 81,794.15

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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.