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Finding the Fourth Proportional to 120,518.96, 166,302.48 and 66,799.76

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Solution

The fourth proportional to 120,518.96, 166,302.48 and 66,799.76 is: 92,176.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,518.96 : 166,302.48 = 66,799.76 : x
  2. Step 2: Convert to fraction form
    120,518.96/166,302.48 = 66,799.76/x
  3. Step 3: Cross multiply
    120,518.96x = 166,302.48 × 66,799.76
  4. Step 4: Simplify right side
    120,518.96x = 11,108,965,751.40
  5. Step 5: Solve for x
    x = 11,108,965,751.40/120,518.96
  6. Step 6: Final answer
    x = 92,176.08

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