Home / 143,478.73-197,863.05-95,003.74

Finding the Fourth Proportional to 143,478.73, 197,863.05 and 95,003.74

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Solution

The fourth proportional to 143,478.73, 197,863.05 and 95,003.74 is: 131,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,478.73 : 197,863.05 = 95,003.74 : x
  2. Step 2: Convert to fraction form
    143,478.73/197,863.05 = 95,003.74/x
  3. Step 3: Cross multiply
    143,478.73x = 197,863.05 × 95,003.74
  4. Step 4: Simplify right side
    143,478.73x = 18,797,729,757.81
  5. Step 5: Solve for x
    x = 18,797,729,757.81/143,478.73
  6. Step 6: Final answer
    x = 131,014.05

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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.