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Finding the Fourth Proportional to 187,770.78, 259,126.97 and 102,882.78

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Solution

The fourth proportional to 187,770.78, 259,126.97 and 102,882.78 is: 141,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,770.78 : 259,126.97 = 102,882.78 : x
  2. Step 2: Convert to fraction form
    187,770.78/259,126.97 = 102,882.78/x
  3. Step 3: Cross multiply
    187,770.78x = 259,126.97 × 102,882.78
  4. Step 4: Simplify right side
    187,770.78x = 26,659,702,532.16
  5. Step 5: Solve for x
    x = 26,659,702,532.16/187,770.78
  6. Step 6: Final answer
    x = 141,980.04

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