Home / 198,118.20-296,774.10-123,007.80

Finding the Fourth Proportional to 198,118.20, 296,774.10 and 123,007.80

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Solution

The fourth proportional to 198,118.20, 296,774.10 and 123,007.80 is: 184,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,118.20 : 296,774.10 = 123,007.80 : x
  2. Step 2: Convert to fraction form
    198,118.20/296,774.10 = 123,007.80/x
  3. Step 3: Cross multiply
    198,118.20x = 296,774.10 × 123,007.80
  4. Step 4: Simplify right side
    198,118.20x = 36,505,529,137.98
  5. Step 5: Solve for x
    x = 36,505,529,137.98/198,118.20
  6. Step 6: Final answer
    x = 184,261.36

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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.