Home / 199,133.82-274,803.83-108,489.50

Finding the Fourth Proportional to 199,133.82, 274,803.83 and 108,489.50

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Solution

The fourth proportional to 199,133.82, 274,803.83 and 108,489.50 is: 149,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,133.82 : 274,803.83 = 108,489.50 : x
  2. Step 2: Convert to fraction form
    199,133.82/274,803.83 = 108,489.50/x
  3. Step 3: Cross multiply
    199,133.82x = 274,803.83 × 108,489.50
  4. Step 4: Simplify right side
    199,133.82x = 29,813,330,114.79
  5. Step 5: Solve for x
    x = 29,813,330,114.79/199,133.82
  6. Step 6: Final answer
    x = 149,715.05

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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.