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Finding the Fourth Proportional to 156,919.40, 235,119.90 and 133,591.40

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Solution

The fourth proportional to 156,919.40, 235,119.90 and 133,591.40 is: 200,166.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,919.40 : 235,119.90 = 133,591.40 : x
  2. Step 2: Convert to fraction form
    156,919.40/235,119.90 = 133,591.40/x
  3. Step 3: Cross multiply
    156,919.40x = 235,119.90 × 133,591.40
  4. Step 4: Simplify right side
    156,919.40x = 31,409,996,608.86
  5. Step 5: Solve for x
    x = 31,409,996,608.86/156,919.40
  6. Step 6: Final answer
    x = 200,166.43

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