Home / 218,052.20-327,205.21-91,683.29

Finding the Fourth Proportional to 218,052.20, 327,205.21 and 91,683.29

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Solution

The fourth proportional to 218,052.20, 327,205.21 and 91,683.29 is: 137,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,052.20 : 327,205.21 = 91,683.29 : x
  2. Step 2: Convert to fraction form
    218,052.20/327,205.21 = 91,683.29/x
  3. Step 3: Cross multiply
    218,052.20x = 327,205.21 × 91,683.29
  4. Step 4: Simplify right side
    218,052.20x = 29,999,250,157.94
  5. Step 5: Solve for x
    x = 29,999,250,157.94/218,052.20
  6. Step 6: Final answer
    x = 137,578.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.