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Finding the Fourth Proportional to 135,028.95, 186,343.71 and 74,603.49

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Solution

The fourth proportional to 135,028.95, 186,343.71 and 74,603.49 is: 102,954.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,028.95 : 186,343.71 = 74,603.49 : x
  2. Step 2: Convert to fraction form
    135,028.95/186,343.71 = 74,603.49/x
  3. Step 3: Cross multiply
    135,028.95x = 186,343.71 × 74,603.49
  4. Step 4: Simplify right side
    135,028.95x = 13,901,891,105.55
  5. Step 5: Solve for x
    x = 13,901,891,105.55/135,028.95
  6. Step 6: Final answer
    x = 102,954.89

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