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Finding the Fourth Proportional to 157,969.83, 217,998.37 and 86,350.13

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Solution

The fourth proportional to 157,969.83, 217,998.37 and 86,350.13 is: 119,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,969.83 : 217,998.37 = 86,350.13 : x
  2. Step 2: Convert to fraction form
    157,969.83/217,998.37 = 86,350.13/x
  3. Step 3: Cross multiply
    157,969.83x = 217,998.37 × 86,350.13
  4. Step 4: Simplify right side
    157,969.83x = 18,824,188,650.97
  5. Step 5: Solve for x
    x = 18,824,188,650.97/157,969.83
  6. Step 6: Final answer
    x = 119,163.19

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