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Finding the Fourth Proportional to 223,428.75, 335,037.54 and 81,174.84

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Solution

The fourth proportional to 223,428.75, 335,037.54 and 81,174.84 is: 121,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,428.75 : 335,037.54 = 81,174.84 : x
  2. Step 2: Convert to fraction form
    223,428.75/335,037.54 = 81,174.84/x
  3. Step 3: Cross multiply
    223,428.75x = 335,037.54 × 81,174.84
  4. Step 4: Simplify right side
    223,428.75x = 27,196,618,703.49
  5. Step 5: Solve for x
    x = 27,196,618,703.49/223,428.75
  6. Step 6: Final answer
    x = 121,723.90

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