Home / 83,474.18-125,209.45-20,294.64

Finding the Fourth Proportional to 83,474.18, 125,209.45 and 20,294.64

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Solution

The fourth proportional to 83,474.18, 125,209.45 and 20,294.64 is: 30,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,474.18 : 125,209.45 = 20,294.64 : x
  2. Step 2: Convert to fraction form
    83,474.18/125,209.45 = 20,294.64/x
  3. Step 3: Cross multiply
    83,474.18x = 125,209.45 × 20,294.64
  4. Step 4: Simplify right side
    83,474.18x = 2,541,080,661.61
  5. Step 5: Solve for x
    x = 2,541,080,661.61/83,474.18
  6. Step 6: Final answer
    x = 30,441.52

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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.