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Finding the Fourth Proportional to 135,916.10, 203,906.55 and 65,737.70

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Solution

The fourth proportional to 135,916.10, 203,906.55 and 65,737.70 is: 98,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,916.10 : 203,906.55 = 65,737.70 : x
  2. Step 2: Convert to fraction form
    135,916.10/203,906.55 = 65,737.70/x
  3. Step 3: Cross multiply
    135,916.10x = 203,906.55 × 65,737.70
  4. Step 4: Simplify right side
    135,916.10x = 13,404,347,611.94
  5. Step 5: Solve for x
    x = 13,404,347,611.94/135,916.10
  6. Step 6: Final answer
    x = 98,622.22

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