Home / 252,910.39-379,391.12-82,124.96

Finding the Fourth Proportional to 252,910.39, 379,391.12 and 82,124.96

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Solution

The fourth proportional to 252,910.39, 379,391.12 and 82,124.96 is: 123,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,910.39 : 379,391.12 = 82,124.96 : x
  2. Step 2: Convert to fraction form
    252,910.39/379,391.12 = 82,124.96/x
  3. Step 3: Cross multiply
    252,910.39x = 379,391.12 × 82,124.96
  4. Step 4: Simplify right side
    252,910.39x = 31,157,480,554.36
  5. Step 5: Solve for x
    x = 31,157,480,554.36/252,910.39
  6. Step 6: Final answer
    x = 123,195.73

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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.