Home / 160,394.46-221,348.97-88,781.15

Finding the Fourth Proportional to 160,394.46, 221,348.97 and 88,781.15

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Solution

The fourth proportional to 160,394.46, 221,348.97 and 88,781.15 is: 122,520.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,394.46 : 221,348.97 = 88,781.15 : x
  2. Step 2: Convert to fraction form
    160,394.46/221,348.97 = 88,781.15/x
  3. Step 3: Cross multiply
    160,394.46x = 221,348.97 × 88,781.15
  4. Step 4: Simplify right side
    160,394.46x = 19,651,615,001.17
  5. Step 5: Solve for x
    x = 19,651,615,001.17/160,394.46
  6. Step 6: Final answer
    x = 122,520.53

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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.