Home / 206,530.29-285,044.00-115,922.97

Finding the Fourth Proportional to 206,530.29, 285,044.00 and 115,922.97

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Solution

The fourth proportional to 206,530.29, 285,044.00 and 115,922.97 is: 159,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,530.29 : 285,044.00 = 115,922.97 : x
  2. Step 2: Convert to fraction form
    206,530.29/285,044.00 = 115,922.97/x
  3. Step 3: Cross multiply
    206,530.29x = 285,044.00 × 115,922.97
  4. Step 4: Simplify right side
    206,530.29x = 33,043,146,481.07
  5. Step 5: Solve for x
    x = 33,043,146,481.07/206,530.29
  6. Step 6: Final answer
    x = 159,991.77

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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.