Home / 179,382.80-269,136.27-79,612.88

Finding the Fourth Proportional to 179,382.80, 269,136.27 and 79,612.88

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Solution

The fourth proportional to 179,382.80, 269,136.27 and 79,612.88 is: 119,446.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,382.80 : 269,136.27 = 79,612.88 : x
  2. Step 2: Convert to fraction form
    179,382.80/269,136.27 = 79,612.88/x
  3. Step 3: Cross multiply
    179,382.80x = 269,136.27 × 79,612.88
  4. Step 4: Simplify right side
    179,382.80x = 21,426,712,221.48
  5. Step 5: Solve for x
    x = 21,426,712,221.48/179,382.80
  6. Step 6: Final answer
    x = 119,446.86

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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.