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Finding the Fourth Proportional to 143,930.77, 198,586.02 and 138,255.52

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Solution

The fourth proportional to 143,930.77, 198,586.02 and 138,255.52 is: 190,755.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,930.77 : 198,586.02 = 138,255.52 : x
  2. Step 2: Convert to fraction form
    143,930.77/198,586.02 = 138,255.52/x
  3. Step 3: Cross multiply
    143,930.77x = 198,586.02 × 138,255.52
  4. Step 4: Simplify right side
    143,930.77x = 27,455,613,459.83
  5. Step 5: Solve for x
    x = 27,455,613,459.83/143,930.77
  6. Step 6: Final answer
    x = 190,755.69

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