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Finding the Fourth Proportional to 106,793.64, 160,256.34 and 54,240.84

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Solution

The fourth proportional to 106,793.64, 160,256.34 and 54,240.84 is: 81,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,793.64 : 160,256.34 = 54,240.84 : x
  2. Step 2: Convert to fraction form
    106,793.64/160,256.34 = 54,240.84/x
  3. Step 3: Cross multiply
    106,793.64x = 160,256.34 × 54,240.84
  4. Step 4: Simplify right side
    106,793.64x = 8,692,438,496.93
  5. Step 5: Solve for x
    x = 8,692,438,496.93/106,793.64
  6. Step 6: Final answer
    x = 81,394.72

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