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Finding the Fourth Proportional to 103,694.55, 155,474.86 and 56,934.87

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Solution

The fourth proportional to 103,694.55, 155,474.86 and 56,934.87 is: 85,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,694.55 : 155,474.86 = 56,934.87 : x
  2. Step 2: Convert to fraction form
    103,694.55/155,474.86 = 56,934.87/x
  3. Step 3: Cross multiply
    103,694.55x = 155,474.86 × 56,934.87
  4. Step 4: Simplify right side
    103,694.55x = 8,851,940,942.37
  5. Step 5: Solve for x
    x = 8,851,940,942.37/103,694.55
  6. Step 6: Final answer
    x = 85,365.54

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