Home / 233,017.28-321,560.76-131,042.71

Finding the Fourth Proportional to 233,017.28, 321,560.76 and 131,042.71

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Solution

The fourth proportional to 233,017.28, 321,560.76 and 131,042.71 is: 180,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,017.28 : 321,560.76 = 131,042.71 : x
  2. Step 2: Convert to fraction form
    233,017.28/321,560.76 = 131,042.71/x
  3. Step 3: Cross multiply
    233,017.28x = 321,560.76 × 131,042.71
  4. Step 4: Simplify right side
    233,017.28x = 42,138,193,420.06
  5. Step 5: Solve for x
    x = 42,138,193,420.06/233,017.28
  6. Step 6: Final answer
    x = 180,837.20

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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.