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Finding the Fourth Proportional to 140,603.78, 194,033.21 and 76,941.56

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Solution

The fourth proportional to 140,603.78, 194,033.21 and 76,941.56 is: 106,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,603.78 : 194,033.21 = 76,941.56 : x
  2. Step 2: Convert to fraction form
    140,603.78/194,033.21 = 76,941.56/x
  3. Step 3: Cross multiply
    140,603.78x = 194,033.21 × 76,941.56
  4. Step 4: Simplify right side
    140,603.78x = 14,929,217,969.58
  5. Step 5: Solve for x
    x = 14,929,217,969.58/140,603.78
  6. Step 6: Final answer
    x = 106,179.35

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