Home / 171,108.18-256,448.43-82,337.85

Finding the Fourth Proportional to 171,108.18, 256,448.43 and 82,337.85

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Solution

The fourth proportional to 171,108.18, 256,448.43 and 82,337.85 is: 123,403.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,108.18 : 256,448.43 = 82,337.85 : x
  2. Step 2: Convert to fraction form
    171,108.18/256,448.43 = 82,337.85/x
  3. Step 3: Cross multiply
    171,108.18x = 256,448.43 × 82,337.85
  4. Step 4: Simplify right side
    171,108.18x = 21,115,412,362.08
  5. Step 5: Solve for x
    x = 21,115,412,362.08/171,108.18
  6. Step 6: Final answer
    x = 123,403.87

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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.