Home / 204,829.62-282,423.09-140,329.78

Finding the Fourth Proportional to 204,829.62, 282,423.09 and 140,329.78

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Solution

The fourth proportional to 204,829.62, 282,423.09 and 140,329.78 is: 193,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,829.62 : 282,423.09 = 140,329.78 : x
  2. Step 2: Convert to fraction form
    204,829.62/282,423.09 = 140,329.78/x
  3. Step 3: Cross multiply
    204,829.62x = 282,423.09 × 140,329.78
  4. Step 4: Simplify right side
    204,829.62x = 39,632,370,086.62
  5. Step 5: Solve for x
    x = 39,632,370,086.62/204,829.62
  6. Step 6: Final answer
    x = 193,489.45

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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.