Home / 180,138.20-269,429.70-152,144.60

Finding the Fourth Proportional to 180,138.20, 269,429.70 and 152,144.60

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Solution

The fourth proportional to 180,138.20, 269,429.70 and 152,144.60 is: 227,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,138.20 : 269,429.70 = 152,144.60 : x
  2. Step 2: Convert to fraction form
    180,138.20/269,429.70 = 152,144.60/x
  3. Step 3: Cross multiply
    180,138.20x = 269,429.70 × 152,144.60
  4. Step 4: Simplify right side
    180,138.20x = 40,992,273,934.62
  5. Step 5: Solve for x
    x = 40,992,273,934.62/180,138.20
  6. Step 6: Final answer
    x = 227,560.14

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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.