Home / 263,600.91-363,768.62-142,742.21

Finding the Fourth Proportional to 263,600.91, 363,768.62 and 142,742.21

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Solution

The fourth proportional to 263,600.91, 363,768.62 and 142,742.21 is: 196,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,600.91 : 363,768.62 = 142,742.21 : x
  2. Step 2: Convert to fraction form
    263,600.91/363,768.62 = 142,742.21/x
  3. Step 3: Cross multiply
    263,600.91x = 363,768.62 × 142,742.21
  4. Step 4: Simplify right side
    263,600.91x = 51,925,134,214.90
  5. Step 5: Solve for x
    x = 51,925,134,214.90/263,600.91
  6. Step 6: Final answer
    x = 196,983.90

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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.