Home / 74,757.21-112,157.46-22,167.96

Finding the Fourth Proportional to 74,757.21, 112,157.46 and 22,167.96

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Solution

The fourth proportional to 74,757.21, 112,157.46 and 22,167.96 is: 33,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,757.21 : 112,157.46 = 22,167.96 : x
  2. Step 2: Convert to fraction form
    74,757.21/112,157.46 = 22,167.96/x
  3. Step 3: Cross multiply
    74,757.21x = 112,157.46 × 22,167.96
  4. Step 4: Simplify right side
    74,757.21x = 2,486,302,086.98
  5. Step 5: Solve for x
    x = 2,486,302,086.98/74,757.21
  6. Step 6: Final answer
    x = 33,258.36

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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.