Home / 199,206.36-274,901.22-108,561.78

Finding the Fourth Proportional to 199,206.36, 274,901.22 and 108,561.78

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Solution

The fourth proportional to 199,206.36, 274,901.22 and 108,561.78 is: 149,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,206.36 : 274,901.22 = 108,561.78 : x
  2. Step 2: Convert to fraction form
    199,206.36/274,901.22 = 108,561.78/x
  3. Step 3: Cross multiply
    199,206.36x = 274,901.22 × 108,561.78
  4. Step 4: Simplify right side
    199,206.36x = 29,843,765,767.37
  5. Step 5: Solve for x
    x = 29,843,765,767.37/199,206.36
  6. Step 6: Final answer
    x = 149,813.32

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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.