Home / 74,161.20-111,240.82-18,001.75

Finding the Fourth Proportional to 74,161.20, 111,240.82 and 18,001.75

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Solution

The fourth proportional to 74,161.20, 111,240.82 and 18,001.75 is: 27,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,161.20 : 111,240.82 = 18,001.75 : x
  2. Step 2: Convert to fraction form
    74,161.20/111,240.82 = 18,001.75/x
  3. Step 3: Cross multiply
    74,161.20x = 111,240.82 × 18,001.75
  4. Step 4: Simplify right side
    74,161.20x = 2,002,529,431.44
  5. Step 5: Solve for x
    x = 2,002,529,431.44/74,161.20
  6. Step 6: Final answer
    x = 27,002.39

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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.