Home / 235,471.20-324,836.07-139,910.24

Finding the Fourth Proportional to 235,471.20, 324,836.07 and 139,910.24

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Solution

The fourth proportional to 235,471.20, 324,836.07 and 139,910.24 is: 193,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,471.20 : 324,836.07 = 139,910.24 : x
  2. Step 2: Convert to fraction form
    235,471.20/324,836.07 = 139,910.24/x
  3. Step 3: Cross multiply
    235,471.20x = 324,836.07 × 139,910.24
  4. Step 4: Simplify right side
    235,471.20x = 45,447,891,761.58
  5. Step 5: Solve for x
    x = 45,447,891,761.58/235,471.20
  6. Step 6: Final answer
    x = 193,008.28

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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.