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Finding the Fourth Proportional to 168,880.51, 253,320.56 and 80,085.57

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Solution

The fourth proportional to 168,880.51, 253,320.56 and 80,085.57 is: 120,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,880.51 : 253,320.56 = 80,085.57 : x
  2. Step 2: Convert to fraction form
    168,880.51/253,320.56 = 80,085.57/x
  3. Step 3: Cross multiply
    168,880.51x = 253,320.56 × 80,085.57
  4. Step 4: Simplify right side
    168,880.51x = 20,287,321,440.32
  5. Step 5: Solve for x
    x = 20,287,321,440.32/168,880.51
  6. Step 6: Final answer
    x = 120,128.26

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