Home / 220,839.90-304,760.52-125,348.19

Finding the Fourth Proportional to 220,839.90, 304,760.52 and 125,348.19

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Solution

The fourth proportional to 220,839.90, 304,760.52 and 125,348.19 is: 172,981.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,839.90 : 304,760.52 = 125,348.19 : x
  2. Step 2: Convert to fraction form
    220,839.90/304,760.52 = 125,348.19/x
  3. Step 3: Cross multiply
    220,839.90x = 304,760.52 × 125,348.19
  4. Step 4: Simplify right side
    220,839.90x = 38,201,179,565.46
  5. Step 5: Solve for x
    x = 38,201,179,565.46/220,839.90
  6. Step 6: Final answer
    x = 172,981.33

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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.