Home / 486,053.20-729,077.82-131,103.16

Finding the Fourth Proportional to 486,053.20, 729,077.82 and 131,103.16

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Solution

The fourth proportional to 486,053.20, 729,077.82 and 131,103.16 is: 196,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,053.20 : 729,077.82 = 131,103.16 : x
  2. Step 2: Convert to fraction form
    486,053.20/729,077.82 = 131,103.16/x
  3. Step 3: Cross multiply
    486,053.20x = 729,077.82 × 131,103.16
  4. Step 4: Simplify right side
    486,053.20x = 95,584,406,087.91
  5. Step 5: Solve for x
    x = 95,584,406,087.91/486,053.20
  6. Step 6: Final answer
    x = 196,654.21

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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.