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Finding the Fourth Proportional to 113,287.40, 169,736.70 and 73,824.20

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Solution

The fourth proportional to 113,287.40, 169,736.70 and 73,824.20 is: 110,609.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,287.40 : 169,736.70 = 73,824.20 : x
  2. Step 2: Convert to fraction form
    113,287.40/169,736.70 = 73,824.20/x
  3. Step 3: Cross multiply
    113,287.40x = 169,736.70 × 73,824.20
  4. Step 4: Simplify right side
    113,287.40x = 12,530,676,088.14
  5. Step 5: Solve for x
    x = 12,530,676,088.14/113,287.40
  6. Step 6: Final answer
    x = 110,609.62

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