Home / 68,177.28-102,277.00-20,150.76

Finding the Fourth Proportional to 68,177.28, 102,277.00 and 20,150.76

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Solution

The fourth proportional to 68,177.28, 102,277.00 and 20,150.76 is: 30,229.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,177.28 : 102,277.00 = 20,150.76 : x
  2. Step 2: Convert to fraction form
    68,177.28/102,277.00 = 20,150.76/x
  3. Step 3: Cross multiply
    68,177.28x = 102,277.00 × 20,150.76
  4. Step 4: Simplify right side
    68,177.28x = 2,060,959,586.59
  5. Step 5: Solve for x
    x = 2,060,959,586.59/68,177.28
  6. Step 6: Final answer
    x = 30,229.42

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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.