Home / 121,876.48-182,789.12-34,304

Finding the Fourth Proportional to 121,876.48, 182,789.12 and 34,304

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Solution

The fourth proportional to 121,876.48, 182,789.12 and 34,304 is: 51,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,876.48 : 182,789.12 = 34,304 : x
  2. Step 2: Convert to fraction form
    121,876.48/182,789.12 = 34,304/x
  3. Step 3: Cross multiply
    121,876.48x = 182,789.12 × 34,304
  4. Step 4: Simplify right side
    121,876.48x = 6,270,397,972.48
  5. Step 5: Solve for x
    x = 6,270,397,972.48/121,876.48
  6. Step 6: Final answer
    x = 51,448.79

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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.