Home / 199,274.82-274,991.13-108,628.80

Finding the Fourth Proportional to 199,274.82, 274,991.13 and 108,628.80

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Solution

The fourth proportional to 199,274.82, 274,991.13 and 108,628.80 is: 149,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,274.82 : 274,991.13 = 108,628.80 : x
  2. Step 2: Convert to fraction form
    199,274.82/274,991.13 = 108,628.80/x
  3. Step 3: Cross multiply
    199,274.82x = 274,991.13 × 108,628.80
  4. Step 4: Simplify right side
    199,274.82x = 29,871,956,462.54
  5. Step 5: Solve for x
    x = 29,871,956,462.54/199,274.82
  6. Step 6: Final answer
    x = 149,903.32

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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.