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Finding the Fourth Proportional to 195,251.52, 269,342.88 and 118,794

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Solution

The fourth proportional to 195,251.52, 269,342.88 and 118,794 is: 163,872.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,251.52 : 269,342.88 = 118,794 : x
  2. Step 2: Convert to fraction form
    195,251.52/269,342.88 = 118,794/x
  3. Step 3: Cross multiply
    195,251.52x = 269,342.88 × 118,794
  4. Step 4: Simplify right side
    195,251.52x = 31,996,318,086.72
  5. Step 5: Solve for x
    x = 31,996,318,086.72/195,251.52
  6. Step 6: Final answer
    x = 163,872.31

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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.