Home / 233,137.38-321,729.08-131,162.91

Finding the Fourth Proportional to 233,137.38, 321,729.08 and 131,162.91

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Solution

The fourth proportional to 233,137.38, 321,729.08 and 131,162.91 is: 181,004.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,137.38 : 321,729.08 = 131,162.91 : x
  2. Step 2: Convert to fraction form
    233,137.38/321,729.08 = 131,162.91/x
  3. Step 3: Cross multiply
    233,137.38x = 321,729.08 × 131,162.91
  4. Step 4: Simplify right side
    233,137.38x = 42,198,921,708.61
  5. Step 5: Solve for x
    x = 42,198,921,708.61/233,137.38
  6. Step 6: Final answer
    x = 181,004.53

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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.