Home / 220,133.38-303,792.77-123,338.07

Finding the Fourth Proportional to 220,133.38, 303,792.77 and 123,338.07

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Solution

The fourth proportional to 220,133.38, 303,792.77 and 123,338.07 is: 170,211.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,133.38 : 303,792.77 = 123,338.07 : x
  2. Step 2: Convert to fraction form
    220,133.38/303,792.77 = 123,338.07/x
  3. Step 3: Cross multiply
    220,133.38x = 303,792.77 × 123,338.07
  4. Step 4: Simplify right side
    220,133.38x = 37,469,213,931.75
  5. Step 5: Solve for x
    x = 37,469,213,931.75/220,133.38
  6. Step 6: Final answer
    x = 170,211.41

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1.5x scale

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.