Home / 178,789.26-268,216.68-85,295

Finding the Fourth Proportional to 178,789.26, 268,216.68 and 85,295

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Solution

The fourth proportional to 178,789.26, 268,216.68 and 85,295 is: 127,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,789.26 : 268,216.68 = 85,295 : x
  2. Step 2: Convert to fraction form
    178,789.26/268,216.68 = 85,295/x
  3. Step 3: Cross multiply
    178,789.26x = 268,216.68 × 85,295
  4. Step 4: Simplify right side
    178,789.26x = 22,877,541,720.60
  5. Step 5: Solve for x
    x = 22,877,541,720.60/178,789.26
  6. Step 6: Final answer
    x = 127,958.14

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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.