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Finding the Fourth Proportional to 158,183.84, 218,288.40 and 86,559.05

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Solution

The fourth proportional to 158,183.84, 218,288.40 and 86,559.05 is: 119,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,183.84 : 218,288.40 = 86,559.05 : x
  2. Step 2: Convert to fraction form
    158,183.84/218,288.40 = 86,559.05/x
  3. Step 3: Cross multiply
    158,183.84x = 218,288.40 × 86,559.05
  4. Step 4: Simplify right side
    158,183.84x = 18,894,836,530.02
  5. Step 5: Solve for x
    x = 18,894,836,530.02/158,183.84
  6. Step 6: Final answer
    x = 119,448.59

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