Home / 204,811.28-282,739.85-158,769.20

Finding the Fourth Proportional to 204,811.28, 282,739.85 and 158,769.20

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Solution

The fourth proportional to 204,811.28, 282,739.85 and 158,769.20 is: 219,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,811.28 : 282,739.85 = 158,769.20 : x
  2. Step 2: Convert to fraction form
    204,811.28/282,739.85 = 158,769.20/x
  3. Step 3: Cross multiply
    204,811.28x = 282,739.85 × 158,769.20
  4. Step 4: Simplify right side
    204,811.28x = 44,890,377,585.07
  5. Step 5: Solve for x
    x = 44,890,377,585.07/204,811.28
  6. Step 6: Final answer
    x = 219,179.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.