Home / 486,180.16-729,270.24-131,193.61

Finding the Fourth Proportional to 486,180.16, 729,270.24 and 131,193.61

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Solution

The fourth proportional to 486,180.16, 729,270.24 and 131,193.61 is: 196,790.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,180.16 : 729,270.24 = 131,193.61 : x
  2. Step 2: Convert to fraction form
    486,180.16/729,270.24 = 131,193.61/x
  3. Step 3: Cross multiply
    486,180.16x = 729,270.24 × 131,193.61
  4. Step 4: Simplify right side
    486,180.16x = 95,675,597,042.84
  5. Step 5: Solve for x
    x = 95,675,597,042.84/486,180.16
  6. Step 6: Final answer
    x = 196,790.42

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Similar ratio
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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.