Home / 179,983.20-269,974.80-144,991.20

Finding the Fourth Proportional to 179,983.20, 269,974.80 and 144,991.20

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Solution

The fourth proportional to 179,983.20, 269,974.80 and 144,991.20 is: 217,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,983.20 : 269,974.80 = 144,991.20 : x
  2. Step 2: Convert to fraction form
    179,983.20/269,974.80 = 144,991.20/x
  3. Step 3: Cross multiply
    179,983.20x = 269,974.80 × 144,991.20
  4. Step 4: Simplify right side
    179,983.20x = 39,143,970,221.76
  5. Step 5: Solve for x
    x = 39,143,970,221.76/179,983.20
  6. Step 6: Final answer
    x = 217,486.80

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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.