Home / 232,629.24-321,044.22-129,275.76

Finding the Fourth Proportional to 232,629.24, 321,044.22 and 129,275.76

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Solution

The fourth proportional to 232,629.24, 321,044.22 and 129,275.76 is: 178,409.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,629.24 : 321,044.22 = 129,275.76 : x
  2. Step 2: Convert to fraction form
    232,629.24/321,044.22 = 129,275.76/x
  3. Step 3: Cross multiply
    232,629.24x = 321,044.22 × 129,275.76
  4. Step 4: Simplify right side
    232,629.24x = 41,503,235,534.11
  5. Step 5: Solve for x
    x = 41,503,235,534.11/232,629.24
  6. Step 6: Final answer
    x = 178,409.37

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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.