Home / 109,624.20-164,436.30-74,194.80

Finding the Fourth Proportional to 109,624.20, 164,436.30 and 74,194.80

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Solution

The fourth proportional to 109,624.20, 164,436.30 and 74,194.80 is: 111,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,624.20 : 164,436.30 = 74,194.80 : x
  2. Step 2: Convert to fraction form
    109,624.20/164,436.30 = 74,194.80/x
  3. Step 3: Cross multiply
    109,624.20x = 164,436.30 × 74,194.80
  4. Step 4: Simplify right side
    109,624.20x = 12,200,318,391.24
  5. Step 5: Solve for x
    x = 12,200,318,391.24/109,624.20
  6. Step 6: Final answer
    x = 111,292.20

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