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Finding the Fourth Proportional to 209,651.56, 289,318.96 and 114,158.94

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Solution

The fourth proportional to 209,651.56, 289,318.96 and 114,158.94 is: 157,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,651.56 : 289,318.96 = 114,158.94 : x
  2. Step 2: Convert to fraction form
    209,651.56/289,318.96 = 114,158.94/x
  3. Step 3: Cross multiply
    209,651.56x = 289,318.96 × 114,158.94
  4. Step 4: Simplify right side
    209,651.56x = 33,028,345,795.50
  5. Step 5: Solve for x
    x = 33,028,345,795.50/209,651.56
  6. Step 6: Final answer
    x = 157,539.23

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