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Finding the Fourth Proportional to 118,333.20, 177,499.80 and 108,656.40

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Solution

The fourth proportional to 118,333.20, 177,499.80 and 108,656.40 is: 162,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,333.20 : 177,499.80 = 108,656.40 : x
  2. Step 2: Convert to fraction form
    118,333.20/177,499.80 = 108,656.40/x
  3. Step 3: Cross multiply
    118,333.20x = 177,499.80 × 108,656.40
  4. Step 4: Simplify right side
    118,333.20x = 19,286,489,268.72
  5. Step 5: Solve for x
    x = 19,286,489,268.72/118,333.20
  6. Step 6: Final answer
    x = 162,984.60

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