Home / 179,578.30-269,039.40-146,117.20

Finding the Fourth Proportional to 179,578.30, 269,039.40 and 146,117.20

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Solution

The fourth proportional to 179,578.30, 269,039.40 and 146,117.20 is: 218,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,578.30 : 269,039.40 = 146,117.20 : x
  2. Step 2: Convert to fraction form
    179,578.30/269,039.40 = 146,117.20/x
  3. Step 3: Cross multiply
    179,578.30x = 269,039.40 × 146,117.20
  4. Step 4: Simplify right side
    179,578.30x = 39,311,283,817.68
  5. Step 5: Solve for x
    x = 39,311,283,817.68/179,578.30
  6. Step 6: Final answer
    x = 218,908.88

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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.