Home / 170,814.20-256,221.30-158,372.60

Finding the Fourth Proportional to 170,814.20, 256,221.30 and 158,372.60

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Solution

The fourth proportional to 170,814.20, 256,221.30 and 158,372.60 is: 237,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,814.20 : 256,221.30 = 158,372.60 : x
  2. Step 2: Convert to fraction form
    170,814.20/256,221.30 = 158,372.60/x
  3. Step 3: Cross multiply
    170,814.20x = 256,221.30 × 158,372.60
  4. Step 4: Simplify right side
    170,814.20x = 40,578,433,456.38
  5. Step 5: Solve for x
    x = 40,578,433,456.38/170,814.20
  6. Step 6: Final answer
    x = 237,558.90

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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.