Home / 199,685.30-275,576.92-109,049.66

Finding the Fourth Proportional to 199,685.30, 275,576.92 and 109,049.66

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Solution

The fourth proportional to 199,685.30, 275,576.92 and 109,049.66 is: 150,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,685.30 : 275,576.92 = 109,049.66 : x
  2. Step 2: Convert to fraction form
    199,685.30/275,576.92 = 109,049.66/x
  3. Step 3: Cross multiply
    199,685.30x = 275,576.92 × 109,049.66
  4. Step 4: Simplify right side
    199,685.30x = 30,051,569,429.85
  5. Step 5: Solve for x
    x = 30,051,569,429.85/199,685.30
  6. Step 6: Final answer
    x = 150,494.65

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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.