Home / 179,357.24-268,942.43-66,945

Finding the Fourth Proportional to 179,357.24, 268,942.43 and 66,945

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Solution

The fourth proportional to 179,357.24, 268,942.43 and 66,945 is: 100,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,357.24 : 268,942.43 = 66,945 : x
  2. Step 2: Convert to fraction form
    179,357.24/268,942.43 = 66,945/x
  3. Step 3: Cross multiply
    179,357.24x = 268,942.43 × 66,945
  4. Step 4: Simplify right side
    179,357.24x = 18,004,350,976.35
  5. Step 5: Solve for x
    x = 18,004,350,976.35/179,357.24
  6. Step 6: Final answer
    x = 100,382.63

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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.