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Finding the Fourth Proportional to 223,615.20, 335,811.60 and 118,639.20

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Solution

The fourth proportional to 223,615.20, 335,811.60 and 118,639.20 is: 178,165.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,615.20 : 335,811.60 = 118,639.20 : x
  2. Step 2: Convert to fraction form
    223,615.20/335,811.60 = 118,639.20/x
  3. Step 3: Cross multiply
    223,615.20x = 335,811.60 × 118,639.20
  4. Step 4: Simplify right side
    223,615.20x = 39,840,419,574.72
  5. Step 5: Solve for x
    x = 39,840,419,574.72/223,615.20
  6. Step 6: Final answer
    x = 178,165.08

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