Home / 198,180.80-297,271.05-113,887.20

Finding the Fourth Proportional to 198,180.80, 297,271.05 and 113,887.20

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Solution

The fourth proportional to 198,180.80, 297,271.05 and 113,887.20 is: 170,830.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,180.80 : 297,271.05 = 113,887.20 : x
  2. Step 2: Convert to fraction form
    198,180.80/297,271.05 = 113,887.20/x
  3. Step 3: Cross multiply
    198,180.80x = 297,271.05 × 113,887.20
  4. Step 4: Simplify right side
    198,180.80x = 33,855,366,410.79
  5. Step 5: Solve for x
    x = 33,855,366,410.79/198,180.80
  6. Step 6: Final answer
    x = 170,830.71

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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.