Home / 115,500.40-173,380.20-89,321.20

Finding the Fourth Proportional to 115,500.40, 173,380.20 and 89,321.20

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Solution

The fourth proportional to 115,500.40, 173,380.20 and 89,321.20 is: 134,082.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,500.40 : 173,380.20 = 89,321.20 : x
  2. Step 2: Convert to fraction form
    115,500.40/173,380.20 = 89,321.20/x
  3. Step 3: Cross multiply
    115,500.40x = 173,380.20 × 89,321.20
  4. Step 4: Simplify right side
    115,500.40x = 15,486,527,520.24
  5. Step 5: Solve for x
    x = 15,486,527,520.24/115,500.40
  6. Step 6: Final answer
    x = 134,082.02

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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.