Home / 84,239.38-126,324.14-34,285.57

Finding the Fourth Proportional to 84,239.38, 126,324.14 and 34,285.57

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Solution

The fourth proportional to 84,239.38, 126,324.14 and 34,285.57 is: 51,414.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,239.38 : 126,324.14 = 34,285.57 : x
  2. Step 2: Convert to fraction form
    84,239.38/126,324.14 = 34,285.57/x
  3. Step 3: Cross multiply
    84,239.38x = 126,324.14 × 34,285.57
  4. Step 4: Simplify right side
    84,239.38x = 4,331,095,144.66
  5. Step 5: Solve for x
    x = 4,331,095,144.66/84,239.38
  6. Step 6: Final answer
    x = 51,414.14

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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.