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Finding the Fourth Proportional to 119,218.64, 164,453.29 and 74,428.88

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Solution

The fourth proportional to 119,218.64, 164,453.29 and 74,428.88 is: 102,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,218.64 : 164,453.29 = 74,428.88 : x
  2. Step 2: Convert to fraction form
    119,218.64/164,453.29 = 74,428.88/x
  3. Step 3: Cross multiply
    119,218.64x = 164,453.29 × 74,428.88
  4. Step 4: Simplify right side
    119,218.64x = 12,240,073,178.68
  5. Step 5: Solve for x
    x = 12,240,073,178.68/119,218.64
  6. Step 6: Final answer
    x = 102,669.13

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