Home / 179,997.54-270,046.38-78,777.54

Finding the Fourth Proportional to 179,997.54, 270,046.38 and 78,777.54

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Solution

The fourth proportional to 179,997.54, 270,046.38 and 78,777.54 is: 118,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,997.54 : 270,046.38 = 78,777.54 : x
  2. Step 2: Convert to fraction form
    179,997.54/270,046.38 = 78,777.54/x
  3. Step 3: Cross multiply
    179,997.54x = 270,046.38 × 78,777.54
  4. Step 4: Simplify right side
    179,997.54x = 21,273,589,502.31
  5. Step 5: Solve for x
    x = 21,273,589,502.31/179,997.54
  6. Step 6: Final answer
    x = 118,188.22

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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.