Home / 136,282.17-204,431.91-42,791.61

Finding the Fourth Proportional to 136,282.17, 204,431.91 and 42,791.61

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Solution

The fourth proportional to 136,282.17, 204,431.91 and 42,791.61 is: 64,190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,282.17 : 204,431.91 = 42,791.61 : x
  2. Step 2: Convert to fraction form
    136,282.17/204,431.91 = 42,791.61/x
  3. Step 3: Cross multiply
    136,282.17x = 204,431.91 × 42,791.61
  4. Step 4: Simplify right side
    136,282.17x = 8,747,970,564.28
  5. Step 5: Solve for x
    x = 8,747,970,564.28/136,282.17
  6. Step 6: Final answer
    x = 64,190.13

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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.