Home / 143,636.72-198,396.44-101,383.88

Finding the Fourth Proportional to 143,636.72, 198,396.44 and 101,383.88

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Solution

The fourth proportional to 143,636.72, 198,396.44 and 101,383.88 is: 140,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,636.72 : 198,396.44 = 101,383.88 : x
  2. Step 2: Convert to fraction form
    143,636.72/198,396.44 = 101,383.88/x
  3. Step 3: Cross multiply
    143,636.72x = 198,396.44 × 101,383.88
  4. Step 4: Simplify right side
    143,636.72x = 20,114,200,865.39
  5. Step 5: Solve for x
    x = 20,114,200,865.39/143,636.72
  6. Step 6: Final answer
    x = 140,035.23

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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.