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Finding the Fourth Proportional to 166,099.36, 229,213.92 and 90,648.40

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Solution

The fourth proportional to 166,099.36, 229,213.92 and 90,648.40 is: 125,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,099.36 : 229,213.92 = 90,648.40 : x
  2. Step 2: Convert to fraction form
    166,099.36/229,213.92 = 90,648.40/x
  3. Step 3: Cross multiply
    166,099.36x = 229,213.92 × 90,648.40
  4. Step 4: Simplify right side
    166,099.36x = 20,777,875,105.73
  5. Step 5: Solve for x
    x = 20,777,875,105.73/166,099.36
  6. Step 6: Final answer
    x = 125,093.05

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