Home / 88,023.20-131,727.60-80,650.40

Finding the Fourth Proportional to 88,023.20, 131,727.60 and 80,650.40

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Solution

The fourth proportional to 88,023.20, 131,727.60 and 80,650.40 is: 120,694.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,023.20 : 131,727.60 = 80,650.40 : x
  2. Step 2: Convert to fraction form
    88,023.20/131,727.60 = 80,650.40/x
  3. Step 3: Cross multiply
    88,023.20x = 131,727.60 × 80,650.40
  4. Step 4: Simplify right side
    88,023.20x = 10,623,883,631.04
  5. Step 5: Solve for x
    x = 10,623,883,631.04/88,023.20
  6. Step 6: Final answer
    x = 120,694.13

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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.