Home / 103,221.41-154,794.92-35,735.11

Finding the Fourth Proportional to 103,221.41, 154,794.92 and 35,735.11

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Solution

The fourth proportional to 103,221.41, 154,794.92 and 35,735.11 is: 53,589.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,221.41 : 154,794.92 = 35,735.11 : x
  2. Step 2: Convert to fraction form
    103,221.41/154,794.92 = 35,735.11/x
  3. Step 3: Cross multiply
    103,221.41x = 154,794.92 × 35,735.11
  4. Step 4: Simplify right side
    103,221.41x = 5,531,612,927.98
  5. Step 5: Solve for x
    x = 5,531,612,927.98/103,221.41
  6. Step 6: Final answer
    x = 53,589.79

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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.