Home / 121,593.22-182,321.38-83,687.04

Finding the Fourth Proportional to 121,593.22, 182,321.38 and 83,687.04

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Solution

The fourth proportional to 121,593.22, 182,321.38 and 83,687.04 is: 125,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,593.22 : 182,321.38 = 83,687.04 : x
  2. Step 2: Convert to fraction form
    121,593.22/182,321.38 = 83,687.04/x
  3. Step 3: Cross multiply
    121,593.22x = 182,321.38 × 83,687.04
  4. Step 4: Simplify right side
    121,593.22x = 15,257,936,202.48
  5. Step 5: Solve for x
    x = 15,257,936,202.48/121,593.22
  6. Step 6: Final answer
    x = 125,483.45

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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.