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Finding the Fourth Proportional to 119,670.21, 165,122.15 and 71,906.13

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Solution

The fourth proportional to 119,670.21, 165,122.15 and 71,906.13 is: 99,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,670.21 : 165,122.15 = 71,906.13 : x
  2. Step 2: Convert to fraction form
    119,670.21/165,122.15 = 71,906.13/x
  3. Step 3: Cross multiply
    119,670.21x = 165,122.15 × 71,906.13
  4. Step 4: Simplify right side
    119,670.21x = 11,873,294,424.25
  5. Step 5: Solve for x
    x = 11,873,294,424.25/119,670.21
  6. Step 6: Final answer
    x = 99,216.79

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