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Finding the Fourth Proportional to 166,321.52, 229,512.96 and 90,869.96

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Solution

The fourth proportional to 166,321.52, 229,512.96 and 90,869.96 is: 125,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,321.52 : 229,512.96 = 90,869.96 : x
  2. Step 2: Convert to fraction form
    166,321.52/229,512.96 = 90,869.96/x
  3. Step 3: Cross multiply
    166,321.52x = 229,512.96 × 90,869.96
  4. Step 4: Simplify right side
    166,321.52x = 20,855,833,494.68
  5. Step 5: Solve for x
    x = 20,855,833,494.68/166,321.52
  6. Step 6: Final answer
    x = 125,394.68

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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.