Home / 143,903.76-198,593.34-80,241.54

Finding the Fourth Proportional to 143,903.76, 198,593.34 and 80,241.54

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Solution

The fourth proportional to 143,903.76, 198,593.34 and 80,241.54 is: 110,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,903.76 : 198,593.34 = 80,241.54 : x
  2. Step 2: Convert to fraction form
    143,903.76/198,593.34 = 80,241.54/x
  3. Step 3: Cross multiply
    143,903.76x = 198,593.34 × 80,241.54
  4. Step 4: Simplify right side
    143,903.76x = 15,935,435,435.34
  5. Step 5: Solve for x
    x = 15,935,435,435.34/143,903.76
  6. Step 6: Final answer
    x = 110,736.76

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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.