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Finding the Fourth Proportional to 120,955.43, 166,922.80 and 66,511.76

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Solution

The fourth proportional to 120,955.43, 166,922.80 and 66,511.76 is: 91,788.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,955.43 : 166,922.80 = 66,511.76 : x
  2. Step 2: Convert to fraction form
    120,955.43/166,922.80 = 66,511.76/x
  3. Step 3: Cross multiply
    120,955.43x = 166,922.80 × 66,511.76
  4. Step 4: Simplify right side
    120,955.43x = 11,102,328,211.23
  5. Step 5: Solve for x
    x = 11,102,328,211.23/120,955.43
  6. Step 6: Final answer
    x = 91,788.59

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