Home / 170,821.28-256,278.90-82,148.96

Finding the Fourth Proportional to 170,821.28, 256,278.90 and 82,148.96

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Solution

The fourth proportional to 170,821.28, 256,278.90 and 82,148.96 is: 123,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,821.28 : 256,278.90 = 82,148.96 : x
  2. Step 2: Convert to fraction form
    170,821.28/256,278.90 = 82,148.96/x
  3. Step 3: Cross multiply
    170,821.28x = 256,278.90 × 82,148.96
  4. Step 4: Simplify right side
    170,821.28x = 21,053,045,104.94
  5. Step 5: Solve for x
    x = 21,053,045,104.94/170,821.28
  6. Step 6: Final answer
    x = 123,246.03

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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.