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Finding the Fourth Proportional to 91,134.80, 125,579.40 and 67,223.60

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Solution

The fourth proportional to 91,134.80, 125,579.40 and 67,223.60 is: 92,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,134.80 : 125,579.40 = 67,223.60 : x
  2. Step 2: Convert to fraction form
    91,134.80/125,579.40 = 67,223.60/x
  3. Step 3: Cross multiply
    91,134.80x = 125,579.40 × 67,223.60
  4. Step 4: Simplify right side
    91,134.80x = 8,441,899,353.84
  5. Step 5: Solve for x
    x = 8,441,899,353.84/91,134.80
  6. Step 6: Final answer
    x = 92,630.91

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