Home / 179,986.20-269,979.30-144,994.20

Finding the Fourth Proportional to 179,986.20, 269,979.30 and 144,994.20

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Solution

The fourth proportional to 179,986.20, 269,979.30 and 144,994.20 is: 217,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,986.20 : 269,979.30 = 144,994.20 : x
  2. Step 2: Convert to fraction form
    179,986.20/269,979.30 = 144,994.20/x
  3. Step 3: Cross multiply
    179,986.20x = 269,979.30 × 144,994.20
  4. Step 4: Simplify right side
    179,986.20x = 39,145,432,620.06
  5. Step 5: Solve for x
    x = 39,145,432,620.06/179,986.20
  6. Step 6: Final answer
    x = 217,491.30

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Similar ratio
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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.