Home / 143,389.27-197,901.97-82,993.22

Finding the Fourth Proportional to 143,389.27, 197,901.97 and 82,993.22

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Solution

The fourth proportional to 143,389.27, 197,901.97 and 82,993.22 is: 114,544.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,389.27 : 197,901.97 = 82,993.22 : x
  2. Step 2: Convert to fraction form
    143,389.27/197,901.97 = 82,993.22/x
  3. Step 3: Cross multiply
    143,389.27x = 197,901.97 × 82,993.22
  4. Step 4: Simplify right side
    143,389.27x = 16,424,521,279.78
  5. Step 5: Solve for x
    x = 16,424,521,279.78/143,389.27
  6. Step 6: Final answer
    x = 114,544.98

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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.