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Finding the Fourth Proportional to 114,928.40, 172,392.60 and 55,879.40

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Solution

The fourth proportional to 114,928.40, 172,392.60 and 55,879.40 is: 83,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,928.40 : 172,392.60 = 55,879.40 : x
  2. Step 2: Convert to fraction form
    114,928.40/172,392.60 = 55,879.40/x
  3. Step 3: Cross multiply
    114,928.40x = 172,392.60 × 55,879.40
  4. Step 4: Simplify right side
    114,928.40x = 9,633,195,052.44
  5. Step 5: Solve for x
    x = 9,633,195,052.44/114,928.40
  6. Step 6: Final answer
    x = 83,819.10

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