Home / 180,919.20-271,155.60-131,170.08

Finding the Fourth Proportional to 180,919.20, 271,155.60 and 131,170.08

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Solution

The fourth proportional to 180,919.20, 271,155.60 and 131,170.08 is: 196,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,919.20 : 271,155.60 = 131,170.08 : x
  2. Step 2: Convert to fraction form
    180,919.20/271,155.60 = 131,170.08/x
  3. Step 3: Cross multiply
    180,919.20x = 271,155.60 × 131,170.08
  4. Step 4: Simplify right side
    180,919.20x = 35,567,501,744.45
  5. Step 5: Solve for x
    x = 35,567,501,744.45/180,919.20
  6. Step 6: Final answer
    x = 196,593.30

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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.