Home / 143,821.22-198,464.75-82,553.26

Finding the Fourth Proportional to 143,821.22, 198,464.75 and 82,553.26

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Solution

The fourth proportional to 143,821.22, 198,464.75 and 82,553.26 is: 113,918.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,821.22 : 198,464.75 = 82,553.26 : x
  2. Step 2: Convert to fraction form
    143,821.22/198,464.75 = 82,553.26/x
  3. Step 3: Cross multiply
    143,821.22x = 198,464.75 × 82,553.26
  4. Step 4: Simplify right side
    143,821.22x = 16,383,910,702.50
  5. Step 5: Solve for x
    x = 16,383,910,702.50/143,821.22
  6. Step 6: Final answer
    x = 113,918.59

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1.5x scale

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.