Home / 233,119.26-321,704.10-131,144.76

Finding the Fourth Proportional to 233,119.26, 321,704.10 and 131,144.76

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Solution

The fourth proportional to 233,119.26, 321,704.10 and 131,144.76 is: 180,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,119.26 : 321,704.10 = 131,144.76 : x
  2. Step 2: Convert to fraction form
    233,119.26/321,704.10 = 131,144.76/x
  3. Step 3: Cross multiply
    233,119.26x = 321,704.10 × 131,144.76
  4. Step 4: Simplify right side
    233,119.26x = 42,189,806,985.52
  5. Step 5: Solve for x
    x = 42,189,806,985.52/233,119.26
  6. Step 6: Final answer
    x = 180,979.50

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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.