Home / 83,433.74-125,150.66-20,253.96

Finding the Fourth Proportional to 83,433.74, 125,150.66 and 20,253.96

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Solution

The fourth proportional to 83,433.74, 125,150.66 and 20,253.96 is: 30,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,433.74 : 125,150.66 = 20,253.96 : x
  2. Step 2: Convert to fraction form
    83,433.74/125,150.66 = 20,253.96/x
  3. Step 3: Cross multiply
    83,433.74x = 125,150.66 × 20,253.96
  4. Step 4: Simplify right side
    83,433.74x = 2,534,796,461.61
  5. Step 5: Solve for x
    x = 2,534,796,461.61/83,433.74
  6. Step 6: Final answer
    x = 30,380.95

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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.