Home / 250,619.92-376,007.82-82,141.72

Finding the Fourth Proportional to 250,619.92, 376,007.82 and 82,141.72

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Solution

The fourth proportional to 250,619.92, 376,007.82 and 82,141.72 is: 123,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,619.92 : 376,007.82 = 82,141.72 : x
  2. Step 2: Convert to fraction form
    250,619.92/376,007.82 = 82,141.72/x
  3. Step 3: Cross multiply
    250,619.92x = 376,007.82 × 82,141.72
  4. Step 4: Simplify right side
    250,619.92x = 30,885,929,068.25
  5. Step 5: Solve for x
    x = 30,885,929,068.25/250,619.92
  6. Step 6: Final answer
    x = 123,238.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.