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Finding the Fourth Proportional to 139,175.97, 192,065.07 and 75,513.77

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Solution

The fourth proportional to 139,175.97, 192,065.07 and 75,513.77 is: 104,210.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,175.97 : 192,065.07 = 75,513.77 : x
  2. Step 2: Convert to fraction form
    139,175.97/192,065.07 = 75,513.77/x
  3. Step 3: Cross multiply
    139,175.97x = 192,065.07 × 75,513.77
  4. Step 4: Simplify right side
    139,175.97x = 14,503,557,564.11
  5. Step 5: Solve for x
    x = 14,503,557,564.11/139,175.97
  6. Step 6: Final answer
    x = 104,210.21

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