Home / 199,212.81-274,910.18-108,569.55

Finding the Fourth Proportional to 199,212.81, 274,910.18 and 108,569.55

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Solution

The fourth proportional to 199,212.81, 274,910.18 and 108,569.55 is: 149,824.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,212.81 : 274,910.18 = 108,569.55 : x
  2. Step 2: Convert to fraction form
    199,212.81/274,910.18 = 108,569.55/x
  3. Step 3: Cross multiply
    199,212.81x = 274,910.18 × 108,569.55
  4. Step 4: Simplify right side
    199,212.81x = 29,846,874,533.02
  5. Step 5: Solve for x
    x = 29,846,874,533.02/199,212.81
  6. Step 6: Final answer
    x = 149,824.07

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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.