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Finding the Fourth Proportional to 104,461.10, 156,691.65 and 100,378.70

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Solution

The fourth proportional to 104,461.10, 156,691.65 and 100,378.70 is: 150,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,461.10 : 156,691.65 = 100,378.70 : x
  2. Step 2: Convert to fraction form
    104,461.10/156,691.65 = 100,378.70/x
  3. Step 3: Cross multiply
    104,461.10x = 156,691.65 × 100,378.70
  4. Step 4: Simplify right side
    104,461.10x = 15,728,504,127.86
  5. Step 5: Solve for x
    x = 15,728,504,127.86/104,461.10
  6. Step 6: Final answer
    x = 150,568.05

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