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Finding the Fourth Proportional to 123,872.90, 170,958.94 and 116,272.67

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Solution

The fourth proportional to 123,872.90, 170,958.94 and 116,272.67 is: 160,469.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,872.90 : 170,958.94 = 116,272.67 : x
  2. Step 2: Convert to fraction form
    123,872.90/170,958.94 = 116,272.67/x
  3. Step 3: Cross multiply
    123,872.90x = 170,958.94 × 116,272.67
  4. Step 4: Simplify right side
    123,872.90x = 19,877,851,268.69
  5. Step 5: Solve for x
    x = 19,877,851,268.69/123,872.90
  6. Step 6: Final answer
    x = 160,469.74

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