Home / 225,949.70-311,800.02-123,972.86

Finding the Fourth Proportional to 225,949.70, 311,800.02 and 123,972.86

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Solution

The fourth proportional to 225,949.70, 311,800.02 and 123,972.86 is: 171,076.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,949.70 : 311,800.02 = 123,972.86 : x
  2. Step 2: Convert to fraction form
    225,949.70/311,800.02 = 123,972.86/x
  3. Step 3: Cross multiply
    225,949.70x = 311,800.02 × 123,972.86
  4. Step 4: Simplify right side
    225,949.70x = 38,654,740,227.46
  5. Step 5: Solve for x
    x = 38,654,740,227.46/225,949.70
  6. Step 6: Final answer
    x = 171,076.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.