Home / 149,049.20-223,584.60-89,757.20

Finding the Fourth Proportional to 149,049.20, 223,584.60 and 89,757.20

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Solution

The fourth proportional to 149,049.20, 223,584.60 and 89,757.20 is: 134,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,049.20 : 223,584.60 = 89,757.20 : x
  2. Step 2: Convert to fraction form
    149,049.20/223,584.60 = 89,757.20/x
  3. Step 3: Cross multiply
    149,049.20x = 223,584.60 × 89,757.20
  4. Step 4: Simplify right side
    149,049.20x = 20,068,327,659.12
  5. Step 5: Solve for x
    x = 20,068,327,659.12/149,049.20
  6. Step 6: Final answer
    x = 134,642.30

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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.