Home / 225,948.16-311,808.30-123,974.27

Finding the Fourth Proportional to 225,948.16, 311,808.30 and 123,974.27

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Solution

The fourth proportional to 225,948.16, 311,808.30 and 123,974.27 is: 171,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,948.16 : 311,808.30 = 123,974.27 : x
  2. Step 2: Convert to fraction form
    225,948.16/311,808.30 = 123,974.27/x
  3. Step 3: Cross multiply
    225,948.16x = 311,808.30 × 123,974.27
  4. Step 4: Simplify right side
    225,948.16x = 38,656,205,517.78
  5. Step 5: Solve for x
    x = 38,656,205,517.78/225,948.16
  6. Step 6: Final answer
    x = 171,084.40

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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.