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Finding the Fourth Proportional to 113,640.48, 156,792.24 and 65,884.32

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Solution

The fourth proportional to 113,640.48, 156,792.24 and 65,884.32 is: 90,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,640.48 : 156,792.24 = 65,884.32 : x
  2. Step 2: Convert to fraction form
    113,640.48/156,792.24 = 65,884.32/x
  3. Step 3: Cross multiply
    113,640.48x = 156,792.24 × 65,884.32
  4. Step 4: Simplify right side
    113,640.48x = 10,330,150,113.68
  5. Step 5: Solve for x
    x = 10,330,150,113.68/113,640.48
  6. Step 6: Final answer
    x = 90,902.03

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