Home / 233,223.71-321,845.13-131,241.20

Finding the Fourth Proportional to 233,223.71, 321,845.13 and 131,241.20

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Solution

The fourth proportional to 233,223.71, 321,845.13 and 131,241.20 is: 181,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,223.71 : 321,845.13 = 131,241.20 : x
  2. Step 2: Convert to fraction form
    233,223.71/321,845.13 = 131,241.20/x
  3. Step 3: Cross multiply
    233,223.71x = 321,845.13 × 131,241.20
  4. Step 4: Simplify right side
    233,223.71x = 42,239,339,466.13
  5. Step 5: Solve for x
    x = 42,239,339,466.13/233,223.71
  6. Step 6: Final answer
    x = 181,110.83

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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.