Home / 198,994.13-274,616.81-108,355.06

Finding the Fourth Proportional to 198,994.13, 274,616.81 and 108,355.06

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Solution

The fourth proportional to 198,994.13, 274,616.81 and 108,355.06 is: 149,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,994.13 : 274,616.81 = 108,355.06 : x
  2. Step 2: Convert to fraction form
    198,994.13/274,616.81 = 108,355.06/x
  3. Step 3: Cross multiply
    198,994.13x = 274,616.81 × 108,355.06
  4. Step 4: Simplify right side
    198,994.13x = 29,756,119,822.36
  5. Step 5: Solve for x
    x = 29,756,119,822.36/198,994.13
  6. Step 6: Final answer
    x = 149,532.65

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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.