Home / 206,531.29-285,045.38-115,923.97

Finding the Fourth Proportional to 206,531.29, 285,045.38 and 115,923.97

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Solution

The fourth proportional to 206,531.29, 285,045.38 and 115,923.97 is: 159,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,531.29 : 285,045.38 = 115,923.97 : x
  2. Step 2: Convert to fraction form
    206,531.29/285,045.38 = 115,923.97/x
  3. Step 3: Cross multiply
    206,531.29x = 285,045.38 × 115,923.97
  4. Step 4: Simplify right side
    206,531.29x = 33,043,592,079.76
  5. Step 5: Solve for x
    x = 33,043,592,079.76/206,531.29
  6. Step 6: Final answer
    x = 159,993.15

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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.