Home / 199,215.30-274,909.03-108,569.35

Finding the Fourth Proportional to 199,215.30, 274,909.03 and 108,569.35

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Solution

The fourth proportional to 199,215.30, 274,909.03 and 108,569.35 is: 149,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,215.30 : 274,909.03 = 108,569.35 : x
  2. Step 2: Convert to fraction form
    199,215.30/274,909.03 = 108,569.35/x
  3. Step 3: Cross multiply
    199,215.30x = 274,909.03 × 108,569.35
  4. Step 4: Simplify right side
    199,215.30x = 29,846,694,696.23
  5. Step 5: Solve for x
    x = 29,846,694,696.23/199,215.30
  6. Step 6: Final answer
    x = 149,821.30

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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.