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Finding the Fourth Proportional to 158,394.96, 218,585.84 and 86,775.03

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Solution

The fourth proportional to 158,394.96, 218,585.84 and 86,775.03 is: 119,749.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,394.96 : 218,585.84 = 86,775.03 : x
  2. Step 2: Convert to fraction form
    158,394.96/218,585.84 = 86,775.03/x
  3. Step 3: Cross multiply
    158,394.96x = 218,585.84 × 86,775.03
  4. Step 4: Simplify right side
    158,394.96x = 18,967,792,389.70
  5. Step 5: Solve for x
    x = 18,967,792,389.70/158,394.96
  6. Step 6: Final answer
    x = 119,749.97

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