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Finding the Fourth Proportional to 118,234.80, 177,352.20 and 97,239.60

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Solution

The fourth proportional to 118,234.80, 177,352.20 and 97,239.60 is: 145,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,234.80 : 177,352.20 = 97,239.60 : x
  2. Step 2: Convert to fraction form
    118,234.80/177,352.20 = 97,239.60/x
  3. Step 3: Cross multiply
    118,234.80x = 177,352.20 × 97,239.60
  4. Step 4: Simplify right side
    118,234.80x = 17,245,656,987.12
  5. Step 5: Solve for x
    x = 17,245,656,987.12/118,234.80
  6. Step 6: Final answer
    x = 145,859.40

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