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Finding the Fourth Proportional to 135,376.11, 203,250.51 and 68,861.25

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Solution

The fourth proportional to 135,376.11, 203,250.51 and 68,861.25 is: 103,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,376.11 : 203,250.51 = 68,861.25 : x
  2. Step 2: Convert to fraction form
    135,376.11/203,250.51 = 68,861.25/x
  3. Step 3: Cross multiply
    135,376.11x = 203,250.51 × 68,861.25
  4. Step 4: Simplify right side
    135,376.11x = 13,996,084,181.74
  5. Step 5: Solve for x
    x = 13,996,084,181.74/135,376.11
  6. Step 6: Final answer
    x = 103,386.66

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