Home / 84,542.92-126,815.46-40,174

Finding the Fourth Proportional to 84,542.92, 126,815.46 and 40,174

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Solution

The fourth proportional to 84,542.92, 126,815.46 and 40,174 is: 60,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,542.92 : 126,815.46 = 40,174 : x
  2. Step 2: Convert to fraction form
    84,542.92/126,815.46 = 40,174/x
  3. Step 3: Cross multiply
    84,542.92x = 126,815.46 × 40,174
  4. Step 4: Simplify right side
    84,542.92x = 5,094,684,290.04
  5. Step 5: Solve for x
    x = 5,094,684,290.04/84,542.92
  6. Step 6: Final answer
    x = 60,261.51

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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.