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Finding the Fourth Proportional to 104,539.64, 156,863.12 and 51,230.61

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Solution

The fourth proportional to 104,539.64, 156,863.12 and 51,230.61 is: 76,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,539.64 : 156,863.12 = 51,230.61 : x
  2. Step 2: Convert to fraction form
    104,539.64/156,863.12 = 51,230.61/x
  3. Step 3: Cross multiply
    104,539.64x = 156,863.12 × 51,230.61
  4. Step 4: Simplify right side
    104,539.64x = 8,036,193,067.95
  5. Step 5: Solve for x
    x = 8,036,193,067.95/104,539.64
  6. Step 6: Final answer
    x = 76,872.21

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