Home / 204,831.62-282,425.84-140,331.78

Finding the Fourth Proportional to 204,831.62, 282,425.84 and 140,331.78

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Solution

The fourth proportional to 204,831.62, 282,425.84 and 140,331.78 is: 193,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,831.62 : 282,425.84 = 140,331.78 : x
  2. Step 2: Convert to fraction form
    204,831.62/282,425.84 = 140,331.78/x
  3. Step 3: Cross multiply
    204,831.62x = 282,425.84 × 140,331.78
  4. Step 4: Simplify right side
    204,831.62x = 39,633,320,845.20
  5. Step 5: Solve for x
    x = 39,633,320,845.20/204,831.62
  6. Step 6: Final answer
    x = 193,492.20

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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.