Home / 83,195.74-124,793.46-20,015.81

Finding the Fourth Proportional to 83,195.74, 124,793.46 and 20,015.81

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Solution

The fourth proportional to 83,195.74, 124,793.46 and 20,015.81 is: 30,023.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,195.74 : 124,793.46 = 20,015.81 : x
  2. Step 2: Convert to fraction form
    83,195.74/124,793.46 = 20,015.81/x
  3. Step 3: Cross multiply
    83,195.74x = 124,793.46 × 20,015.81
  4. Step 4: Simplify right side
    83,195.74x = 2,497,842,028.61
  5. Step 5: Solve for x
    x = 2,497,842,028.61/83,195.74
  6. Step 6: Final answer
    x = 30,023.68

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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.