Home / 68,747.22-103,118.94-21,999.42

Finding the Fourth Proportional to 68,747.22, 103,118.94 and 21,999.42

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Solution

The fourth proportional to 68,747.22, 103,118.94 and 21,999.42 is: 32,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,747.22 : 103,118.94 = 21,999.42 : x
  2. Step 2: Convert to fraction form
    68,747.22/103,118.94 = 21,999.42/x
  3. Step 3: Cross multiply
    68,747.22x = 103,118.94 × 21,999.42
  4. Step 4: Simplify right side
    68,747.22x = 2,268,556,871.01
  5. Step 5: Solve for x
    x = 2,268,556,871.01/68,747.22
  6. Step 6: Final answer
    x = 32,998.53

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1.5x scale

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.