Home / 205,443.78-283,540.56-118,227.08

Finding the Fourth Proportional to 205,443.78, 283,540.56 and 118,227.08

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Solution

The fourth proportional to 205,443.78, 283,540.56 and 118,227.08 is: 163,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,443.78 : 283,540.56 = 118,227.08 : x
  2. Step 2: Convert to fraction form
    205,443.78/283,540.56 = 118,227.08/x
  3. Step 3: Cross multiply
    205,443.78x = 283,540.56 × 118,227.08
  4. Step 4: Simplify right side
    205,443.78x = 33,522,172,470.36
  5. Step 5: Solve for x
    x = 33,522,172,470.36/205,443.78
  6. Step 6: Final answer
    x = 163,169.57

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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.