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Finding the Fourth Proportional to 119,069.12, 164,221.60 and 105,471.68

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Solution

The fourth proportional to 119,069.12, 164,221.60 and 105,471.68 is: 145,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,069.12 : 164,221.60 = 105,471.68 : x
  2. Step 2: Convert to fraction form
    119,069.12/164,221.60 = 105,471.68/x
  3. Step 3: Cross multiply
    119,069.12x = 164,221.60 × 105,471.68
  4. Step 4: Simplify right side
    119,069.12x = 17,320,728,044.29
  5. Step 5: Solve for x
    x = 17,320,728,044.29/119,069.12
  6. Step 6: Final answer
    x = 145,467.84

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