Home / 198,985.41-274,597.29-108,340.34

Finding the Fourth Proportional to 198,985.41, 274,597.29 and 108,340.34

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Solution

The fourth proportional to 198,985.41, 274,597.29 and 108,340.34 is: 149,508.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,985.41 : 274,597.29 = 108,340.34 : x
  2. Step 2: Convert to fraction form
    198,985.41/274,597.29 = 108,340.34/x
  3. Step 3: Cross multiply
    198,985.41x = 274,597.29 × 108,340.34
  4. Step 4: Simplify right side
    198,985.41x = 29,749,962,388.69
  5. Step 5: Solve for x
    x = 29,749,962,388.69/198,985.41
  6. Step 6: Final answer
    x = 149,508.26

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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.