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Finding the Fourth Proportional to 118,526.40, 177,789.60 and 74,203.20

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Solution

The fourth proportional to 118,526.40, 177,789.60 and 74,203.20 is: 111,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,526.40 : 177,789.60 = 74,203.20 : x
  2. Step 2: Convert to fraction form
    118,526.40/177,789.60 = 74,203.20/x
  3. Step 3: Cross multiply
    118,526.40x = 177,789.60 × 74,203.20
  4. Step 4: Simplify right side
    118,526.40x = 13,192,557,246.72
  5. Step 5: Solve for x
    x = 13,192,557,246.72/118,526.40
  6. Step 6: Final answer
    x = 111,304.80

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