Home / 136,428.25-204,747.45-109,839.29

Finding the Fourth Proportional to 136,428.25, 204,747.45 and 109,839.29

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Solution

The fourth proportional to 136,428.25, 204,747.45 and 109,839.29 is: 164,843.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,428.25 : 204,747.45 = 109,839.29 : x
  2. Step 2: Convert to fraction form
    136,428.25/204,747.45 = 109,839.29/x
  3. Step 3: Cross multiply
    136,428.25x = 204,747.45 × 109,839.29
  4. Step 4: Simplify right side
    136,428.25x = 22,489,314,537.31
  5. Step 5: Solve for x
    x = 22,489,314,537.31/136,428.25
  6. Step 6: Final answer
    x = 164,843.53

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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.