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Finding the Fourth Proportional to 158,529.14, 218,765.47 and 86,906.71

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Solution

The fourth proportional to 158,529.14, 218,765.47 and 86,906.71 is: 119,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,529.14 : 218,765.47 = 86,906.71 : x
  2. Step 2: Convert to fraction form
    158,529.14/218,765.47 = 86,906.71/x
  3. Step 3: Cross multiply
    158,529.14x = 218,765.47 × 86,906.71
  4. Step 4: Simplify right side
    158,529.14x = 19,012,187,259.30
  5. Step 5: Solve for x
    x = 19,012,187,259.30/158,529.14
  6. Step 6: Final answer
    x = 119,928.66

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