Home / 129,230.49-193,845.90-62,680.42

Finding the Fourth Proportional to 129,230.49, 193,845.90 and 62,680.42

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Solution

The fourth proportional to 129,230.49, 193,845.90 and 62,680.42 is: 94,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,230.49 : 193,845.90 = 62,680.42 : x
  2. Step 2: Convert to fraction form
    129,230.49/193,845.90 = 62,680.42/x
  3. Step 3: Cross multiply
    129,230.49x = 193,845.90 × 62,680.42
  4. Step 4: Simplify right side
    129,230.49x = 12,150,342,427.28
  5. Step 5: Solve for x
    x = 12,150,342,427.28/129,230.49
  6. Step 6: Final answer
    x = 94,020.71

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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.