Home / 225,815.73-311,626.15-123,841.91

Finding the Fourth Proportional to 225,815.73, 311,626.15 and 123,841.91

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Solution

The fourth proportional to 225,815.73, 311,626.15 and 123,841.91 is: 170,902.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,815.73 : 311,626.15 = 123,841.91 : x
  2. Step 2: Convert to fraction form
    225,815.73/311,626.15 = 123,841.91/x
  3. Step 3: Cross multiply
    225,815.73x = 311,626.15 × 123,841.91
  4. Step 4: Simplify right side
    225,815.73x = 38,592,377,621.95
  5. Step 5: Solve for x
    x = 38,592,377,621.95/225,815.73
  6. Step 6: Final answer
    x = 170,902.08

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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.