Home / 234,723.91-323,910.25-139,173.43

Finding the Fourth Proportional to 234,723.91, 323,910.25 and 139,173.43

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Solution

The fourth proportional to 234,723.91, 323,910.25 and 139,173.43 is: 192,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,723.91 : 323,910.25 = 139,173.43 : x
  2. Step 2: Convert to fraction form
    234,723.91/323,910.25 = 139,173.43/x
  3. Step 3: Cross multiply
    234,723.91x = 323,910.25 × 139,173.43
  4. Step 4: Simplify right side
    234,723.91x = 45,079,700,504.66
  5. Step 5: Solve for x
    x = 45,079,700,504.66/234,723.91
  6. Step 6: Final answer
    x = 192,054.15

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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.