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Finding the Fourth Proportional to 143,885.57, 198,826.11 and 136,971.95

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Solution

The fourth proportional to 143,885.57, 198,826.11 and 136,971.95 is: 189,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,885.57 : 198,826.11 = 136,971.95 : x
  2. Step 2: Convert to fraction form
    143,885.57/198,826.11 = 136,971.95/x
  3. Step 3: Cross multiply
    143,885.57x = 198,826.11 × 136,971.95
  4. Step 4: Simplify right side
    143,885.57x = 27,233,599,003.48
  5. Step 5: Solve for x
    x = 27,233,599,003.48/143,885.57
  6. Step 6: Final answer
    x = 189,272.63

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