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Finding the Fourth Proportional to 123,092.16, 170,580.66 and 120,729.84

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Solution

The fourth proportional to 123,092.16, 170,580.66 and 120,729.84 is: 167,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,092.16 : 170,580.66 = 120,729.84 : x
  2. Step 2: Convert to fraction form
    123,092.16/170,580.66 = 120,729.84/x
  3. Step 3: Cross multiply
    123,092.16x = 170,580.66 × 120,729.84
  4. Step 4: Simplify right side
    123,092.16x = 20,594,175,788.89
  5. Step 5: Solve for x
    x = 20,594,175,788.89/123,092.16
  6. Step 6: Final answer
    x = 167,306.97

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