Home / 143,405.91-197,954.28-123,181.83

Finding the Fourth Proportional to 143,405.91, 197,954.28 and 123,181.83

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Solution

The fourth proportional to 143,405.91, 197,954.28 and 123,181.83 is: 170,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,405.91 : 197,954.28 = 123,181.83 : x
  2. Step 2: Convert to fraction form
    143,405.91/197,954.28 = 123,181.83/x
  3. Step 3: Cross multiply
    143,405.91x = 197,954.28 × 123,181.83
  4. Step 4: Simplify right side
    143,405.91x = 24,384,370,466.73
  5. Step 5: Solve for x
    x = 24,384,370,466.73/143,405.91
  6. Step 6: Final answer
    x = 170,037.42

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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.