Home / 140,940.35-211,445.81-41,100.56

Finding the Fourth Proportional to 140,940.35, 211,445.81 and 41,100.56

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Solution

The fourth proportional to 140,940.35, 211,445.81 and 41,100.56 is: 61,661.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,940.35 : 211,445.81 = 41,100.56 : x
  2. Step 2: Convert to fraction form
    140,940.35/211,445.81 = 41,100.56/x
  3. Step 3: Cross multiply
    140,940.35x = 211,445.81 × 41,100.56
  4. Step 4: Simplify right side
    140,940.35x = 8,690,540,174.68
  5. Step 5: Solve for x
    x = 8,690,540,174.68/140,940.35
  6. Step 6: Final answer
    x = 61,661.12

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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.