Home / 233,012.18-321,553.76-131,037.61

Finding the Fourth Proportional to 233,012.18, 321,553.76 and 131,037.61

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Solution

The fourth proportional to 233,012.18, 321,553.76 and 131,037.61 is: 180,830.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,012.18 : 321,553.76 = 131,037.61 : x
  2. Step 2: Convert to fraction form
    233,012.18/321,553.76 = 131,037.61/x
  3. Step 3: Cross multiply
    233,012.18x = 321,553.76 × 131,037.61
  4. Step 4: Simplify right side
    233,012.18x = 42,135,635,340.75
  5. Step 5: Solve for x
    x = 42,135,635,340.75/233,012.18
  6. Step 6: Final answer
    x = 180,830.18

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1.5x scale

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.