Home / 143,206.35-197,580.28-82,754.97

Finding the Fourth Proportional to 143,206.35, 197,580.28 and 82,754.97

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Solution

The fourth proportional to 143,206.35, 197,580.28 and 82,754.97 is: 114,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,206.35 : 197,580.28 = 82,754.97 : x
  2. Step 2: Convert to fraction form
    143,206.35/197,580.28 = 82,754.97/x
  3. Step 3: Cross multiply
    143,206.35x = 197,580.28 × 82,754.97
  4. Step 4: Simplify right side
    143,206.35x = 16,350,750,143.99
  5. Step 5: Solve for x
    x = 16,350,750,143.99/143,206.35
  6. Step 6: Final answer
    x = 114,176.15

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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.