Home / 74,195.85-111,297.60-21,609.42

Finding the Fourth Proportional to 74,195.85, 111,297.60 and 21,609.42

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Solution

The fourth proportional to 74,195.85, 111,297.60 and 21,609.42 is: 32,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,195.85 : 111,297.60 = 21,609.42 : x
  2. Step 2: Convert to fraction form
    74,195.85/111,297.60 = 21,609.42/x
  3. Step 3: Cross multiply
    74,195.85x = 111,297.60 × 21,609.42
  4. Step 4: Simplify right side
    74,195.85x = 2,405,076,583.39
  5. Step 5: Solve for x
    x = 2,405,076,583.39/74,195.85
  6. Step 6: Final answer
    x = 32,415.24

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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.