Home / 220,233.26-303,913.78-119,629.10

Finding the Fourth Proportional to 220,233.26, 303,913.78 and 119,629.10

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Solution

The fourth proportional to 220,233.26, 303,913.78 and 119,629.10 is: 165,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,233.26 : 303,913.78 = 119,629.10 : x
  2. Step 2: Convert to fraction form
    220,233.26/303,913.78 = 119,629.10/x
  3. Step 3: Cross multiply
    220,233.26x = 303,913.78 × 119,629.10
  4. Step 4: Simplify right side
    220,233.26x = 36,356,931,380.85
  5. Step 5: Solve for x
    x = 36,356,931,380.85/220,233.26
  6. Step 6: Final answer
    x = 165,083.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.