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Finding the Fourth Proportional to 189,805.96, 261,912.18 and 104,909.32

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Solution

The fourth proportional to 189,805.96, 261,912.18 and 104,909.32 is: 144,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,805.96 : 261,912.18 = 104,909.32 : x
  2. Step 2: Convert to fraction form
    189,805.96/261,912.18 = 104,909.32/x
  3. Step 3: Cross multiply
    189,805.96x = 261,912.18 × 104,909.32
  4. Step 4: Simplify right side
    189,805.96x = 27,477,028,703.52
  5. Step 5: Solve for x
    x = 27,477,028,703.52/189,805.96
  6. Step 6: Final answer
    x = 144,763.78

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