Home / 218,052.45-327,205.58-91,683.54

Finding the Fourth Proportional to 218,052.45, 327,205.58 and 91,683.54

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Solution

The fourth proportional to 218,052.45, 327,205.58 and 91,683.54 is: 137,578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,052.45 : 327,205.58 = 91,683.54 : x
  2. Step 2: Convert to fraction form
    218,052.45/327,205.58 = 91,683.54/x
  3. Step 3: Cross multiply
    218,052.45x = 327,205.58 × 91,683.54
  4. Step 4: Simplify right side
    218,052.45x = 29,999,365,882.15
  5. Step 5: Solve for x
    x = 29,999,365,882.15/218,052.45
  6. Step 6: Final answer
    x = 137,578.67

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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.