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Finding the Fourth Proportional to 192,379.81, 265,654.35 and 119,906.39

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Solution

The fourth proportional to 192,379.81, 265,654.35 and 119,906.39 is: 165,576.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,379.81 : 265,654.35 = 119,906.39 : x
  2. Step 2: Convert to fraction form
    192,379.81/265,654.35 = 119,906.39/x
  3. Step 3: Cross multiply
    192,379.81x = 265,654.35 × 119,906.39
  4. Step 4: Simplify right side
    192,379.81x = 31,853,654,096.30
  5. Step 5: Solve for x
    x = 31,853,654,096.30/192,379.81
  6. Step 6: Final answer
    x = 165,576.91

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