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Finding the Fourth Proportional to 79,738.70, 119,608.22 and 74,867.16

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Solution

The fourth proportional to 79,738.70, 119,608.22 and 74,867.16 is: 112,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,738.70 : 119,608.22 = 74,867.16 : x
  2. Step 2: Convert to fraction form
    79,738.70/119,608.22 = 74,867.16/x
  3. Step 3: Cross multiply
    79,738.70x = 119,608.22 × 74,867.16
  4. Step 4: Simplify right side
    79,738.70x = 8,954,727,744.06
  5. Step 5: Solve for x
    x = 8,954,727,744.06/79,738.70
  6. Step 6: Final answer
    x = 112,300.90

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