Home / 198,982.51-274,594.21-108,338.33

Finding the Fourth Proportional to 198,982.51, 274,594.21 and 108,338.33

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Solution

The fourth proportional to 198,982.51, 274,594.21 and 108,338.33 is: 149,506.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,982.51 : 274,594.21 = 108,338.33 : x
  2. Step 2: Convert to fraction form
    198,982.51/274,594.21 = 108,338.33/x
  3. Step 3: Cross multiply
    198,982.51x = 274,594.21 × 108,338.33
  4. Step 4: Simplify right side
    198,982.51x = 29,749,078,554.71
  5. Step 5: Solve for x
    x = 29,749,078,554.71/198,982.51
  6. Step 6: Final answer
    x = 149,506.00

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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.