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Finding the Fourth Proportional to 110,743, 166,112.94 and 51,545.56

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Solution

The fourth proportional to 110,743, 166,112.94 and 51,545.56 is: 77,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,743 : 166,112.94 = 51,545.56 : x
  2. Step 2: Convert to fraction form
    110,743/166,112.94 = 51,545.56/x
  3. Step 3: Cross multiply
    110,743x = 166,112.94 × 51,545.56
  4. Step 4: Simplify right side
    110,743x = 8,562,384,515.55
  5. Step 5: Solve for x
    x = 8,562,384,515.55/110,743
  6. Step 6: Final answer
    x = 77,317.61

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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.