Home / 143,003.73-197,373.87-82,584.21

Finding the Fourth Proportional to 143,003.73, 197,373.87 and 82,584.21

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Solution

The fourth proportional to 143,003.73, 197,373.87 and 82,584.21 is: 113,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,003.73 : 197,373.87 = 82,584.21 : x
  2. Step 2: Convert to fraction form
    143,003.73/197,373.87 = 82,584.21/x
  3. Step 3: Cross multiply
    143,003.73x = 197,373.87 × 82,584.21
  4. Step 4: Simplify right side
    143,003.73x = 16,299,965,128.59
  5. Step 5: Solve for x
    x = 16,299,965,128.59/143,003.73
  6. Step 6: Final answer
    x = 113,982.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.