Home / 121,542.33-182,290.40-51,470.85

Finding the Fourth Proportional to 121,542.33, 182,290.40 and 51,470.85

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Solution

The fourth proportional to 121,542.33, 182,290.40 and 51,470.85 is: 77,196.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,542.33 : 182,290.40 = 51,470.85 : x
  2. Step 2: Convert to fraction form
    121,542.33/182,290.40 = 51,470.85/x
  3. Step 3: Cross multiply
    121,542.33x = 182,290.40 × 51,470.85
  4. Step 4: Simplify right side
    121,542.33x = 9,382,640,923.39
  5. Step 5: Solve for x
    x = 9,382,640,923.39/121,542.33
  6. Step 6: Final answer
    x = 77,196.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.