Home / 143,177.32-214,799.82-140,797

Finding the Fourth Proportional to 143,177.32, 214,799.82 and 140,797

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Solution

The fourth proportional to 143,177.32, 214,799.82 and 140,797 is: 211,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,177.32 : 214,799.82 = 140,797 : x
  2. Step 2: Convert to fraction form
    143,177.32/214,799.82 = 140,797/x
  3. Step 3: Cross multiply
    143,177.32x = 214,799.82 × 140,797
  4. Step 4: Simplify right side
    143,177.32x = 30,243,170,256.54
  5. Step 5: Solve for x
    x = 30,243,170,256.54/143,177.32
  6. Step 6: Final answer
    x = 211,228.78

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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.