Home / 233,278.76-321,935.22-131,339.30

Finding the Fourth Proportional to 233,278.76, 321,935.22 and 131,339.30

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Solution

The fourth proportional to 233,278.76, 321,935.22 and 131,339.30 is: 181,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,278.76 : 321,935.22 = 131,339.30 : x
  2. Step 2: Convert to fraction form
    233,278.76/321,935.22 = 131,339.30/x
  3. Step 3: Cross multiply
    233,278.76x = 321,935.22 × 131,339.30
  4. Step 4: Simplify right side
    233,278.76x = 42,282,744,830.47
  5. Step 5: Solve for x
    x = 42,282,744,830.47/233,278.76
  6. Step 6: Final answer
    x = 181,254.15

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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.