Home / 103,311.20-154,961.33-33,185.04

Finding the Fourth Proportional to 103,311.20, 154,961.33 and 33,185.04

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Solution

The fourth proportional to 103,311.20, 154,961.33 and 33,185.04 is: 49,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,311.20 : 154,961.33 = 33,185.04 : x
  2. Step 2: Convert to fraction form
    103,311.20/154,961.33 = 33,185.04/x
  3. Step 3: Cross multiply
    103,311.20x = 154,961.33 × 33,185.04
  4. Step 4: Simplify right side
    103,311.20x = 5,142,397,768.58
  5. Step 5: Solve for x
    x = 5,142,397,768.58/103,311.20
  6. Step 6: Final answer
    x = 49,775.80

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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.