Home / 151,721.97-209,388.18-83,752.44

Finding the Fourth Proportional to 151,721.97, 209,388.18 and 83,752.44

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Solution

The fourth proportional to 151,721.97, 209,388.18 and 83,752.44 is: 115,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,721.97 : 209,388.18 = 83,752.44 : x
  2. Step 2: Convert to fraction form
    151,721.97/209,388.18 = 83,752.44/x
  3. Step 3: Cross multiply
    151,721.97x = 209,388.18 × 83,752.44
  4. Step 4: Simplify right side
    151,721.97x = 17,536,770,982.16
  5. Step 5: Solve for x
    x = 17,536,770,982.16/151,721.97
  6. Step 6: Final answer
    x = 115,584.91

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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.