Home / 120,375.29-180,464.41-45,452.92

Finding the Fourth Proportional to 120,375.29, 180,464.41 and 45,452.92

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Solution

The fourth proportional to 120,375.29, 180,464.41 and 45,452.92 is: 68,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,375.29 : 180,464.41 = 45,452.92 : x
  2. Step 2: Convert to fraction form
    120,375.29/180,464.41 = 45,452.92/x
  3. Step 3: Cross multiply
    120,375.29x = 180,464.41 × 45,452.92
  4. Step 4: Simplify right side
    120,375.29x = 8,202,633,260.99
  5. Step 5: Solve for x
    x = 8,202,633,260.99/120,375.29
  6. Step 6: Final answer
    x = 68,142.17

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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.