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Finding the Fourth Proportional to 101,278.63, 139,756.44 and 58,839.94

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Solution

The fourth proportional to 101,278.63, 139,756.44 and 58,839.94 is: 81,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,278.63 : 139,756.44 = 58,839.94 : x
  2. Step 2: Convert to fraction form
    101,278.63/139,756.44 = 58,839.94/x
  3. Step 3: Cross multiply
    101,278.63x = 139,756.44 × 58,839.94
  4. Step 4: Simplify right side
    101,278.63x = 8,223,260,544.21
  5. Step 5: Solve for x
    x = 8,223,260,544.21/101,278.63
  6. Step 6: Final answer
    x = 81,194.43

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