Home / 199,462.65-275,285.16-126,872.61

Finding the Fourth Proportional to 199,462.65, 275,285.16 and 126,872.61

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Solution

The fourth proportional to 199,462.65, 275,285.16 and 126,872.61 is: 175,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,462.65 : 275,285.16 = 126,872.61 : x
  2. Step 2: Convert to fraction form
    199,462.65/275,285.16 = 126,872.61/x
  3. Step 3: Cross multiply
    199,462.65x = 275,285.16 × 126,872.61
  4. Step 4: Simplify right side
    199,462.65x = 34,926,146,743.47
  5. Step 5: Solve for x
    x = 34,926,146,743.47/199,462.65
  6. Step 6: Final answer
    x = 175,101.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.