Home / 179,972.20-269,958.30-144,980.20

Finding the Fourth Proportional to 179,972.20, 269,958.30 and 144,980.20

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Solution

The fourth proportional to 179,972.20, 269,958.30 and 144,980.20 is: 217,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,972.20 : 269,958.30 = 144,980.20 : x
  2. Step 2: Convert to fraction form
    179,972.20/269,958.30 = 144,980.20/x
  3. Step 3: Cross multiply
    179,972.20x = 269,958.30 × 144,980.20
  4. Step 4: Simplify right side
    179,972.20x = 39,138,608,325.66
  5. Step 5: Solve for x
    x = 39,138,608,325.66/179,972.20
  6. Step 6: Final answer
    x = 217,470.30

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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.