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Finding the Fourth Proportional to 195,227.60, 269,433.96 and 118,751.97

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Solution

The fourth proportional to 195,227.60, 269,433.96 and 118,751.97 is: 163,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,227.60 : 269,433.96 = 118,751.97 : x
  2. Step 2: Convert to fraction form
    195,227.60/269,433.96 = 118,751.97/x
  3. Step 3: Cross multiply
    195,227.60x = 269,433.96 × 118,751.97
  4. Step 4: Simplify right side
    195,227.60x = 31,995,811,890.85
  5. Step 5: Solve for x
    x = 31,995,811,890.85/195,227.60
  6. Step 6: Final answer
    x = 163,889.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.