Home / 204,732.19-282,380.03-135,696.80

Finding the Fourth Proportional to 204,732.19, 282,380.03 and 135,696.80

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Solution

The fourth proportional to 204,732.19, 282,380.03 and 135,696.80 is: 187,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,732.19 : 282,380.03 = 135,696.80 : x
  2. Step 2: Convert to fraction form
    204,732.19/282,380.03 = 135,696.80/x
  3. Step 3: Cross multiply
    204,732.19x = 282,380.03 × 135,696.80
  4. Step 4: Simplify right side
    204,732.19x = 38,318,066,454.90
  5. Step 5: Solve for x
    x = 38,318,066,454.90/204,732.19
  6. Step 6: Final answer
    x = 187,161.91

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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.