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Finding the Fourth Proportional to 83,950.78, 125,311.97 and 73,986.58

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Solution

The fourth proportional to 83,950.78, 125,311.97 and 73,986.58 is: 110,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,950.78 : 125,311.97 = 73,986.58 : x
  2. Step 2: Convert to fraction form
    83,950.78/125,311.97 = 73,986.58/x
  3. Step 3: Cross multiply
    83,950.78x = 125,311.97 × 73,986.58
  4. Step 4: Simplify right side
    83,950.78x = 9,271,404,093.36
  5. Step 5: Solve for x
    x = 9,271,404,093.36/83,950.78
  6. Step 6: Final answer
    x = 110,438.57

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