Home / 83,948.78-125,308.97-73,984.57

Finding the Fourth Proportional to 83,948.78, 125,308.97 and 73,984.57

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Solution

The fourth proportional to 83,948.78, 125,308.97 and 73,984.57 is: 110,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,948.78 : 125,308.97 = 73,984.57 : x
  2. Step 2: Convert to fraction form
    83,948.78/125,308.97 = 73,984.57/x
  3. Step 3: Cross multiply
    83,948.78x = 125,308.97 × 73,984.57
  4. Step 4: Simplify right side
    83,948.78x = 9,270,930,262.59
  5. Step 5: Solve for x
    x = 9,270,930,262.59/83,948.78
  6. Step 6: Final answer
    x = 110,435.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.