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Finding the Fourth Proportional to 67,153.40, 100,608.60 and 53,205.20

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Solution

The fourth proportional to 67,153.40, 100,608.60 and 53,205.20 is: 79,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,153.40 : 100,608.60 = 53,205.20 : x
  2. Step 2: Convert to fraction form
    67,153.40/100,608.60 = 53,205.20/x
  3. Step 3: Cross multiply
    67,153.40x = 100,608.60 × 53,205.20
  4. Step 4: Simplify right side
    67,153.40x = 5,352,900,684.72
  5. Step 5: Solve for x
    x = 5,352,900,684.72/67,153.40
  6. Step 6: Final answer
    x = 79,711.54

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