Home / 275,204.00-412,753.79-85,666.73

Finding the Fourth Proportional to 275,204.00, 412,753.79 and 85,666.73

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Solution

The fourth proportional to 275,204.00, 412,753.79 and 85,666.73 is: 128,483.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,204.00 : 412,753.79 = 85,666.73 : x
  2. Step 2: Convert to fraction form
    275,204.00/412,753.79 = 85,666.73/x
  3. Step 3: Cross multiply
    275,204.00x = 412,753.79 × 85,666.73
  4. Step 4: Simplify right side
    275,204.00x = 35,359,265,634.80
  5. Step 5: Solve for x
    x = 35,359,265,634.80/275,204.00
  6. Step 6: Final answer
    x = 128,483.83

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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.