Home / 180,621.20-271,085.40-80,934.80

Finding the Fourth Proportional to 180,621.20, 271,085.40 and 80,934.80

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Solution

The fourth proportional to 180,621.20, 271,085.40 and 80,934.80 is: 121,471.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,621.20 : 271,085.40 = 80,934.80 : x
  2. Step 2: Convert to fraction form
    180,621.20/271,085.40 = 80,934.80/x
  3. Step 3: Cross multiply
    180,621.20x = 271,085.40 × 80,934.80
  4. Step 4: Simplify right side
    180,621.20x = 21,940,242,631.92
  5. Step 5: Solve for x
    x = 21,940,242,631.92/180,621.20
  6. Step 6: Final answer
    x = 121,471.03

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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.