Home / 120,229.11-180,277.04-49,201.63

Finding the Fourth Proportional to 120,229.11, 180,277.04 and 49,201.63

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Solution

The fourth proportional to 120,229.11, 180,277.04 and 49,201.63 is: 73,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,229.11 : 180,277.04 = 49,201.63 : x
  2. Step 2: Convert to fraction form
    120,229.11/180,277.04 = 49,201.63/x
  3. Step 3: Cross multiply
    120,229.11x = 180,277.04 × 49,201.63
  4. Step 4: Simplify right side
    120,229.11x = 8,869,923,891.89
  5. Step 5: Solve for x
    x = 8,869,923,891.89/120,229.11
  6. Step 6: Final answer
    x = 73,775.18

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1.5x scale

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.