Home / 198,895.04-274,512-114,012.80

Finding the Fourth Proportional to 198,895.04, 274,512 and 114,012.80

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Solution

The fourth proportional to 198,895.04, 274,512 and 114,012.80 is: 157,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,895.04 : 274,512 = 114,012.80 : x
  2. Step 2: Convert to fraction form
    198,895.04/274,512 = 114,012.80/x
  3. Step 3: Cross multiply
    198,895.04x = 274,512 × 114,012.80
  4. Step 4: Simplify right side
    198,895.04x = 31,297,881,753.60
  5. Step 5: Solve for x
    x = 31,297,881,753.60/198,895.04
  6. Step 6: Final answer
    x = 157,358.78

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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.