Home / 233,212.62-321,839.63-131,241.72

Finding the Fourth Proportional to 233,212.62, 321,839.63 and 131,241.72

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Solution

The fourth proportional to 233,212.62, 321,839.63 and 131,241.72 is: 181,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,212.62 : 321,839.63 = 131,241.72 : x
  2. Step 2: Convert to fraction form
    233,212.62/321,839.63 = 131,241.72/x
  3. Step 3: Cross multiply
    233,212.62x = 321,839.63 × 131,241.72
  4. Step 4: Simplify right side
    233,212.62x = 42,238,785,949.16
  5. Step 5: Solve for x
    x = 42,238,785,949.16/233,212.62
  6. Step 6: Final answer
    x = 181,117.07

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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.