Home / 206,629.20-285,177.08-114,769.13

Finding the Fourth Proportional to 206,629.20, 285,177.08 and 114,769.13

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Solution

The fourth proportional to 206,629.20, 285,177.08 and 114,769.13 is: 158,397.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,629.20 : 285,177.08 = 114,769.13 : x
  2. Step 2: Convert to fraction form
    206,629.20/285,177.08 = 114,769.13/x
  3. Step 3: Cross multiply
    206,629.20x = 285,177.08 × 114,769.13
  4. Step 4: Simplify right side
    206,629.20x = 32,729,524,228.58
  5. Step 5: Solve for x
    x = 32,729,524,228.58/206,629.20
  6. Step 6: Final answer
    x = 158,397.38

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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.