Home / 198,131.72-297,314.21-73,560.20

Finding the Fourth Proportional to 198,131.72, 297,314.21 and 73,560.20

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Solution

The fourth proportional to 198,131.72, 297,314.21 and 73,560.20 is: 110,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,131.72 : 297,314.21 = 73,560.20 : x
  2. Step 2: Convert to fraction form
    198,131.72/297,314.21 = 73,560.20/x
  3. Step 3: Cross multiply
    198,131.72x = 297,314.21 × 73,560.20
  4. Step 4: Simplify right side
    198,131.72x = 21,870,491,447.77
  5. Step 5: Solve for x
    x = 21,870,491,447.77/198,131.72
  6. Step 6: Final answer
    x = 110,383.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.