Home / 263,568.20-363,722.57-142,707

Finding the Fourth Proportional to 263,568.20, 363,722.57 and 142,707

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Solution

The fourth proportional to 263,568.20, 363,722.57 and 142,707 is: 196,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,568.20 : 363,722.57 = 142,707 : x
  2. Step 2: Convert to fraction form
    263,568.20/363,722.57 = 142,707/x
  3. Step 3: Cross multiply
    263,568.20x = 363,722.57 × 142,707
  4. Step 4: Simplify right side
    263,568.20x = 51,905,756,796.99
  5. Step 5: Solve for x
    x = 51,905,756,796.99/263,568.20
  6. Step 6: Final answer
    x = 196,934.82

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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.