Home / 83,459.00-125,188.66-20,279.18

Finding the Fourth Proportional to 83,459.00, 125,188.66 and 20,279.18

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Solution

The fourth proportional to 83,459.00, 125,188.66 and 20,279.18 is: 30,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,459.00 : 125,188.66 = 20,279.18 : x
  2. Step 2: Convert to fraction form
    83,459.00/125,188.66 = 20,279.18/x
  3. Step 3: Cross multiply
    83,459.00x = 125,188.66 × 20,279.18
  4. Step 4: Simplify right side
    83,459.00x = 2,538,722,742.63
  5. Step 5: Solve for x
    x = 2,538,722,742.63/83,459.00
  6. Step 6: Final answer
    x = 30,418.80

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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.