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Finding the Fourth Proportional to 118,233.76, 177,350.64 and 78,867.76

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Solution

The fourth proportional to 118,233.76, 177,350.64 and 78,867.76 is: 118,301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,233.76 : 177,350.64 = 78,867.76 : x
  2. Step 2: Convert to fraction form
    118,233.76/177,350.64 = 78,867.76/x
  3. Step 3: Cross multiply
    118,233.76x = 177,350.64 × 78,867.76
  4. Step 4: Simplify right side
    118,233.76x = 13,987,247,711.37
  5. Step 5: Solve for x
    x = 13,987,247,711.37/118,233.76
  6. Step 6: Final answer
    x = 118,301.64

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