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Finding the Fourth Proportional to 100,936.68, 139,295.94 and 55,616.52

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Solution

The fourth proportional to 100,936.68, 139,295.94 and 55,616.52 is: 76,752.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,936.68 : 139,295.94 = 55,616.52 : x
  2. Step 2: Convert to fraction form
    100,936.68/139,295.94 = 55,616.52/x
  3. Step 3: Cross multiply
    100,936.68x = 139,295.94 × 55,616.52
  4. Step 4: Simplify right side
    100,936.68x = 7,747,155,432.93
  5. Step 5: Solve for x
    x = 7,747,155,432.93/100,936.68
  6. Step 6: Final answer
    x = 76,752.63

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