Home / 74,179.80-111,152.97-57,353.90

Finding the Fourth Proportional to 74,179.80, 111,152.97 and 57,353.90

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Solution

The fourth proportional to 74,179.80, 111,152.97 and 57,353.90 is: 85,940.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,179.80 : 111,152.97 = 57,353.90 : x
  2. Step 2: Convert to fraction form
    74,179.80/111,152.97 = 57,353.90/x
  3. Step 3: Cross multiply
    74,179.80x = 111,152.97 × 57,353.90
  4. Step 4: Simplify right side
    74,179.80x = 6,375,055,770.32
  5. Step 5: Solve for x
    x = 6,375,055,770.32/74,179.80
  6. Step 6: Final answer
    x = 85,940.59

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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.