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Finding the Fourth Proportional to 100,623.20, 150,934.80 and 48,135.20

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Solution

The fourth proportional to 100,623.20, 150,934.80 and 48,135.20 is: 72,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,623.20 : 150,934.80 = 48,135.20 : x
  2. Step 2: Convert to fraction form
    100,623.20/150,934.80 = 48,135.20/x
  3. Step 3: Cross multiply
    100,623.20x = 150,934.80 × 48,135.20
  4. Step 4: Simplify right side
    100,623.20x = 7,265,276,784.96
  5. Step 5: Solve for x
    x = 7,265,276,784.96/100,623.20
  6. Step 6: Final answer
    x = 72,202.80

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