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Finding the Fourth Proportional to 179,885, 269,840.60 and 69,077

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Solution

The fourth proportional to 179,885, 269,840.60 and 69,077 is: 103,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,885 : 269,840.60 = 69,077 : x
  2. Step 2: Convert to fraction form
    179,885/269,840.60 = 69,077/x
  3. Step 3: Cross multiply
    179,885x = 269,840.60 × 69,077
  4. Step 4: Simplify right side
    179,885x = 18,639,779,126.20
  5. Step 5: Solve for x
    x = 18,639,779,126.20/179,885
  6. Step 6: Final answer
    x = 103,620.53

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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.