Home / 204,833.62-282,428.60-140,333.78

Finding the Fourth Proportional to 204,833.62, 282,428.60 and 140,333.78

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Solution

The fourth proportional to 204,833.62, 282,428.60 and 140,333.78 is: 193,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,833.62 : 282,428.60 = 140,333.78 : x
  2. Step 2: Convert to fraction form
    204,833.62/282,428.60 = 140,333.78/x
  3. Step 3: Cross multiply
    204,833.62x = 282,428.60 × 140,333.78
  4. Step 4: Simplify right side
    204,833.62x = 39,634,273,018.11
  5. Step 5: Solve for x
    x = 39,634,273,018.11/204,833.62
  6. Step 6: Final answer
    x = 193,494.96

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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.