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Finding the Fourth Proportional to 257,144.62, 354,851.73 and 142,418.71

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Solution

The fourth proportional to 257,144.62, 354,851.73 and 142,418.71 is: 196,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,144.62 : 354,851.73 = 142,418.71 : x
  2. Step 2: Convert to fraction form
    257,144.62/354,851.73 = 142,418.71/x
  3. Step 3: Cross multiply
    257,144.62x = 354,851.73 × 142,418.71
  4. Step 4: Simplify right side
    257,144.62x = 50,537,525,627.87
  5. Step 5: Solve for x
    x = 50,537,525,627.87/257,144.62
  6. Step 6: Final answer
    x = 196,533.47

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