Home / 179,480.20-269,198.70-74,288.20

Finding the Fourth Proportional to 179,480.20, 269,198.70 and 74,288.20

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Solution

The fourth proportional to 179,480.20, 269,198.70 and 74,288.20 is: 111,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,480.20 : 269,198.70 = 74,288.20 : x
  2. Step 2: Convert to fraction form
    179,480.20/269,198.70 = 74,288.20/x
  3. Step 3: Cross multiply
    179,480.20x = 269,198.70 × 74,288.20
  4. Step 4: Simplify right side
    179,480.20x = 19,998,286,865.34
  5. Step 5: Solve for x
    x = 19,998,286,865.34/179,480.20
  6. Step 6: Final answer
    x = 111,423.36

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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.