Home / 320,766.78-481,179.33-84,108.54

Finding the Fourth Proportional to 320,766.78, 481,179.33 and 84,108.54

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Solution

The fourth proportional to 320,766.78, 481,179.33 and 84,108.54 is: 126,170.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,766.78 : 481,179.33 = 84,108.54 : x
  2. Step 2: Convert to fraction form
    320,766.78/481,179.33 = 84,108.54/x
  3. Step 3: Cross multiply
    320,766.78x = 481,179.33 × 84,108.54
  4. Step 4: Simplify right side
    320,766.78x = 40,471,290,924.48
  5. Step 5: Solve for x
    x = 40,471,290,924.48/320,766.78
  6. Step 6: Final answer
    x = 126,170.46

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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.