Home / 106,338.20-159,508.52-45,540.24

Finding the Fourth Proportional to 106,338.20, 159,508.52 and 45,540.24

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Solution

The fourth proportional to 106,338.20, 159,508.52 and 45,540.24 is: 68,310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,338.20 : 159,508.52 = 45,540.24 : x
  2. Step 2: Convert to fraction form
    106,338.20/159,508.52 = 45,540.24/x
  3. Step 3: Cross multiply
    106,338.20x = 159,508.52 × 45,540.24
  4. Step 4: Simplify right side
    106,338.20x = 7,264,056,282.84
  5. Step 5: Solve for x
    x = 7,264,056,282.84/106,338.20
  6. Step 6: Final answer
    x = 68,310.88

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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.