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Finding the Fourth Proportional to 104,636.40, 156,954.60 and 73,143.60

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Solution

The fourth proportional to 104,636.40, 156,954.60 and 73,143.60 is: 109,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,636.40 : 156,954.60 = 73,143.60 : x
  2. Step 2: Convert to fraction form
    104,636.40/156,954.60 = 73,143.60/x
  3. Step 3: Cross multiply
    104,636.40x = 156,954.60 × 73,143.60
  4. Step 4: Simplify right side
    104,636.40x = 11,480,224,480.56
  5. Step 5: Solve for x
    x = 11,480,224,480.56/104,636.40
  6. Step 6: Final answer
    x = 109,715.40

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