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Finding the Fourth Proportional to 192,157.30, 287,847.15 and 133,059.70

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Solution

The fourth proportional to 192,157.30, 287,847.15 and 133,059.70 is: 199,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,157.30 : 287,847.15 = 133,059.70 : x
  2. Step 2: Convert to fraction form
    192,157.30/287,847.15 = 133,059.70/x
  3. Step 3: Cross multiply
    192,157.30x = 287,847.15 × 133,059.70
  4. Step 4: Simplify right side
    192,157.30x = 38,300,855,424.86
  5. Step 5: Solve for x
    x = 38,300,855,424.86/192,157.30
  6. Step 6: Final answer
    x = 199,320.32

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