Home / 204,635.92-282,397.08-143,471.92

Finding the Fourth Proportional to 204,635.92, 282,397.08 and 143,471.92

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Solution

The fourth proportional to 204,635.92, 282,397.08 and 143,471.92 is: 197,990.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,635.92 : 282,397.08 = 143,471.92 : x
  2. Step 2: Convert to fraction form
    204,635.92/282,397.08 = 143,471.92/x
  3. Step 3: Cross multiply
    204,635.92x = 282,397.08 × 143,471.92
  4. Step 4: Simplify right side
    204,635.92x = 40,516,051,269.99
  5. Step 5: Solve for x
    x = 40,516,051,269.99/204,635.92
  6. Step 6: Final answer
    x = 197,990.91

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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.