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Finding the Fourth Proportional to 103,911.69, 155,811.63 and 53,867.73

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Solution

The fourth proportional to 103,911.69, 155,811.63 and 53,867.73 is: 80,772.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,911.69 : 155,811.63 = 53,867.73 : x
  2. Step 2: Convert to fraction form
    103,911.69/155,811.63 = 53,867.73/x
  3. Step 3: Cross multiply
    103,911.69x = 155,811.63 × 53,867.73
  4. Step 4: Simplify right side
    103,911.69x = 8,393,218,815.70
  5. Step 5: Solve for x
    x = 8,393,218,815.70/103,911.69
  6. Step 6: Final answer
    x = 80,772.61

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