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Finding the Fourth Proportional to 139,755.76, 192,863.18 and 76,093.81

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Solution

The fourth proportional to 139,755.76, 192,863.18 and 76,093.81 is: 105,009.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,755.76 : 192,863.18 = 76,093.81 : x
  2. Step 2: Convert to fraction form
    139,755.76/192,863.18 = 76,093.81/x
  3. Step 3: Cross multiply
    139,755.76x = 192,863.18 × 76,093.81
  4. Step 4: Simplify right side
    139,755.76x = 14,675,694,174.92
  5. Step 5: Solve for x
    x = 14,675,694,174.92/139,755.76
  6. Step 6: Final answer
    x = 105,009.58

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