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Finding the Fourth Proportional to 208,993.92, 288,429.60 and 118,365.90

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Solution

The fourth proportional to 208,993.92, 288,429.60 and 118,365.90 is: 163,355.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,993.92 : 288,429.60 = 118,365.90 : x
  2. Step 2: Convert to fraction form
    208,993.92/288,429.60 = 118,365.90/x
  3. Step 3: Cross multiply
    208,993.92x = 288,429.60 × 118,365.90
  4. Step 4: Simplify right side
    208,993.92x = 34,140,229,190.64
  5. Step 5: Solve for x
    x = 34,140,229,190.64/208,993.92
  6. Step 6: Final answer
    x = 163,355.13

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