Home / 218,420.55-327,770.75-106,039.53

Finding the Fourth Proportional to 218,420.55, 327,770.75 and 106,039.53

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Solution

The fourth proportional to 218,420.55, 327,770.75 and 106,039.53 is: 159,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,420.55 : 327,770.75 = 106,039.53 : x
  2. Step 2: Convert to fraction form
    218,420.55/327,770.75 = 106,039.53/x
  3. Step 3: Cross multiply
    218,420.55x = 327,770.75 × 106,039.53
  4. Step 4: Simplify right side
    218,420.55x = 34,756,656,542.85
  5. Step 5: Solve for x
    x = 34,756,656,542.85/218,420.55
  6. Step 6: Final answer
    x = 159,127.23

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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.