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Finding the Fourth Proportional to 171,854.55, 257,781.37 and 96,940.69

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Solution

The fourth proportional to 171,854.55, 257,781.37 and 96,940.69 is: 145,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,854.55 : 257,781.37 = 96,940.69 : x
  2. Step 2: Convert to fraction form
    171,854.55/257,781.37 = 96,940.69/x
  3. Step 3: Cross multiply
    171,854.55x = 257,781.37 × 96,940.69
  4. Step 4: Simplify right side
    171,854.55x = 24,989,503,876.95
  5. Step 5: Solve for x
    x = 24,989,503,876.95/171,854.55
  6. Step 6: Final answer
    x = 145,410.78

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