Home / 206,403.54-309,692.97-112,799.94

Finding the Fourth Proportional to 206,403.54, 309,692.97 and 112,799.94

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Solution

The fourth proportional to 206,403.54, 309,692.97 and 112,799.94 is: 169,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,403.54 : 309,692.97 = 112,799.94 : x
  2. Step 2: Convert to fraction form
    206,403.54/309,692.97 = 112,799.94/x
  3. Step 3: Cross multiply
    206,403.54x = 309,692.97 × 112,799.94
  4. Step 4: Simplify right side
    206,403.54x = 34,933,348,434.42
  5. Step 5: Solve for x
    x = 34,933,348,434.42/206,403.54
  6. Step 6: Final answer
    x = 169,247.82

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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.