Home / 110,049.20-151,938.44-75,651.12

Finding the Fourth Proportional to 110,049.20, 151,938.44 and 75,651.12

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Solution

The fourth proportional to 110,049.20, 151,938.44 and 75,651.12 is: 104,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,049.20 : 151,938.44 = 75,651.12 : x
  2. Step 2: Convert to fraction form
    110,049.20/151,938.44 = 75,651.12/x
  3. Step 3: Cross multiply
    110,049.20x = 151,938.44 × 75,651.12
  4. Step 4: Simplify right side
    110,049.20x = 11,494,313,157.05
  5. Step 5: Solve for x
    x = 11,494,313,157.05/110,049.20
  6. Step 6: Final answer
    x = 104,447.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.