Home / 83,481.22-125,190.24-30,159.12

Finding the Fourth Proportional to 83,481.22, 125,190.24 and 30,159.12

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Solution

The fourth proportional to 83,481.22, 125,190.24 and 30,159.12 is: 45,227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,481.22 : 125,190.24 = 30,159.12 : x
  2. Step 2: Convert to fraction form
    83,481.22/125,190.24 = 30,159.12/x
  3. Step 3: Cross multiply
    83,481.22x = 125,190.24 × 30,159.12
  4. Step 4: Simplify right side
    83,481.22x = 3,775,627,470.99
  5. Step 5: Solve for x
    x = 3,775,627,470.99/83,481.22
  6. Step 6: Final answer
    x = 45,227.27

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1.5x scale

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.