Home / 207,834.62-311,834.28-108,057.74

Finding the Fourth Proportional to 207,834.62, 311,834.28 and 108,057.74

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Solution

The fourth proportional to 207,834.62, 311,834.28 and 108,057.74 is: 162,129.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,834.62 : 311,834.28 = 108,057.74 : x
  2. Step 2: Convert to fraction form
    207,834.62/311,834.28 = 108,057.74/x
  3. Step 3: Cross multiply
    207,834.62x = 311,834.28 × 108,057.74
  4. Step 4: Simplify right side
    207,834.62x = 33,696,107,551.33
  5. Step 5: Solve for x
    x = 33,696,107,551.33/207,834.62
  6. Step 6: Final answer
    x = 162,129.43

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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.