Home / 120,568.53-180,815.85-83,367.66

Finding the Fourth Proportional to 120,568.53, 180,815.85 and 83,367.66

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Solution

The fourth proportional to 120,568.53, 180,815.85 and 83,367.66 is: 125,025.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,568.53 : 180,815.85 = 83,367.66 : x
  2. Step 2: Convert to fraction form
    120,568.53/180,815.85 = 83,367.66/x
  3. Step 3: Cross multiply
    120,568.53x = 180,815.85 × 83,367.66
  4. Step 4: Simplify right side
    120,568.53x = 15,074,194,983.47
  5. Step 5: Solve for x
    x = 15,074,194,983.47/120,568.53
  6. Step 6: Final answer
    x = 125,025.95

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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.