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Finding the Fourth Proportional to 139,195.78, 192,090.69 and 75,533.57

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Solution

The fourth proportional to 139,195.78, 192,090.69 and 75,533.57 is: 104,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,195.78 : 192,090.69 = 75,533.57 : x
  2. Step 2: Convert to fraction form
    139,195.78/192,090.69 = 75,533.57/x
  3. Step 3: Cross multiply
    139,195.78x = 192,090.69 × 75,533.57
  4. Step 4: Simplify right side
    139,195.78x = 14,509,295,579.46
  5. Step 5: Solve for x
    x = 14,509,295,579.46/139,195.78
  6. Step 6: Final answer
    x = 104,236.61

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