Home / 233,255.64-321,867.90-131,286.36

Finding the Fourth Proportional to 233,255.64, 321,867.90 and 131,286.36

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Solution

The fourth proportional to 233,255.64, 321,867.90 and 131,286.36 is: 181,161.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,255.64 : 321,867.90 = 131,286.36 : x
  2. Step 2: Convert to fraction form
    233,255.64/321,867.90 = 131,286.36/x
  3. Step 3: Cross multiply
    233,255.64x = 321,867.90 × 131,286.36
  4. Step 4: Simplify right side
    233,255.64x = 42,256,864,991.84
  5. Step 5: Solve for x
    x = 42,256,864,991.84/233,255.64
  6. Step 6: Final answer
    x = 181,161.17

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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.