Home / 205,233.29-283,269.17-120,377.69

Finding the Fourth Proportional to 205,233.29, 283,269.17 and 120,377.69

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Solution

The fourth proportional to 205,233.29, 283,269.17 and 120,377.69 is: 166,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,233.29 : 283,269.17 = 120,377.69 : x
  2. Step 2: Convert to fraction form
    205,233.29/283,269.17 = 120,377.69/x
  3. Step 3: Cross multiply
    205,233.29x = 283,269.17 × 120,377.69
  4. Step 4: Simplify right side
    205,233.29x = 34,099,287,217.42
  5. Step 5: Solve for x
    x = 34,099,287,217.42/205,233.29
  6. Step 6: Final answer
    x = 166,148.91

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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.