Home / 198,994.28-274,631.48-148,605.80

Finding the Fourth Proportional to 198,994.28, 274,631.48 and 148,605.80

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Solution

The fourth proportional to 198,994.28, 274,631.48 and 148,605.80 is: 205,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,994.28 : 274,631.48 = 148,605.80 : x
  2. Step 2: Convert to fraction form
    198,994.28/274,631.48 = 148,605.80/x
  3. Step 3: Cross multiply
    198,994.28x = 274,631.48 × 148,605.80
  4. Step 4: Simplify right side
    198,994.28x = 40,811,830,790.58
  5. Step 5: Solve for x
    x = 40,811,830,790.58/198,994.28
  6. Step 6: Final answer
    x = 205,090.47

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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.