Home / 178,748.18-267,713.87-85,319.54

Finding the Fourth Proportional to 178,748.18, 267,713.87 and 85,319.54

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Solution

The fourth proportional to 178,748.18, 267,713.87 and 85,319.54 is: 127,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,748.18 : 267,713.87 = 85,319.54 : x
  2. Step 2: Convert to fraction form
    178,748.18/267,713.87 = 85,319.54/x
  3. Step 3: Cross multiply
    178,748.18x = 267,713.87 × 85,319.54
  4. Step 4: Simplify right side
    178,748.18x = 22,841,222,474.85
  5. Step 5: Solve for x
    x = 22,841,222,474.85/178,748.18
  6. Step 6: Final answer
    x = 127,784.37

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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.