Home / 205,678.92-283,836.09-115,034.52

Finding the Fourth Proportional to 205,678.92, 283,836.09 and 115,034.52

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Solution

The fourth proportional to 205,678.92, 283,836.09 and 115,034.52 is: 158,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,678.92 : 283,836.09 = 115,034.52 : x
  2. Step 2: Convert to fraction form
    205,678.92/283,836.09 = 115,034.52/x
  3. Step 3: Cross multiply
    205,678.92x = 283,836.09 × 115,034.52
  4. Step 4: Simplify right side
    205,678.92x = 32,650,948,371.83
  5. Step 5: Solve for x
    x = 32,650,948,371.83/205,678.92
  6. Step 6: Final answer
    x = 158,747.18

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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.