Home / 129,734.33-194,621.54-54,854.82

Finding the Fourth Proportional to 129,734.33, 194,621.54 and 54,854.82

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Solution

The fourth proportional to 129,734.33, 194,621.54 and 54,854.82 is: 82,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,734.33 : 194,621.54 = 54,854.82 : x
  2. Step 2: Convert to fraction form
    129,734.33/194,621.54 = 54,854.82/x
  3. Step 3: Cross multiply
    129,734.33x = 194,621.54 × 54,854.82
  4. Step 4: Simplify right side
    129,734.33x = 10,675,929,270.55
  5. Step 5: Solve for x
    x = 10,675,929,270.55/129,734.33
  6. Step 6: Final answer
    x = 82,290.71

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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.