Home / 180,002.20-269,744.10-80,080.60

Finding the Fourth Proportional to 180,002.20, 269,744.10 and 80,080.60

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Solution

The fourth proportional to 180,002.20, 269,744.10 and 80,080.60 is: 120,005.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,002.20 : 269,744.10 = 80,080.60 : x
  2. Step 2: Convert to fraction form
    180,002.20/269,744.10 = 80,080.60/x
  3. Step 3: Cross multiply
    180,002.20x = 269,744.10 × 80,080.60
  4. Step 4: Simplify right side
    180,002.20x = 21,601,269,374.46
  5. Step 5: Solve for x
    x = 21,601,269,374.46/180,002.20
  6. Step 6: Final answer
    x = 120,005.59

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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.