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Finding the Fourth Proportional to 120,195.54, 165,871.29 and 66,479.16

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Solution

The fourth proportional to 120,195.54, 165,871.29 and 66,479.16 is: 91,742.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,195.54 : 165,871.29 = 66,479.16 : x
  2. Step 2: Convert to fraction form
    120,195.54/165,871.29 = 66,479.16/x
  3. Step 3: Cross multiply
    120,195.54x = 165,871.29 × 66,479.16
  4. Step 4: Simplify right side
    120,195.54x = 11,026,984,027.32
  5. Step 5: Solve for x
    x = 11,026,984,027.32/120,195.54
  6. Step 6: Final answer
    x = 91,742.04

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