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Finding the Fourth Proportional to 118,303.20, 177,584.40 and 65,815.20

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Solution

The fourth proportional to 118,303.20, 177,584.40 and 65,815.20 is: 98,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,303.20 : 177,584.40 = 65,815.20 : x
  2. Step 2: Convert to fraction form
    118,303.20/177,584.40 = 65,815.20/x
  3. Step 3: Cross multiply
    118,303.20x = 177,584.40 × 65,815.20
  4. Step 4: Simplify right side
    118,303.20x = 11,687,752,802.88
  5. Step 5: Solve for x
    x = 11,687,752,802.88/118,303.20
  6. Step 6: Final answer
    x = 98,794.90

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