Home / 202,415.43-303,624.18-84,086.90

Finding the Fourth Proportional to 202,415.43, 303,624.18 and 84,086.90

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Solution

The fourth proportional to 202,415.43, 303,624.18 and 84,086.90 is: 126,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,415.43 : 303,624.18 = 84,086.90 : x
  2. Step 2: Convert to fraction form
    202,415.43/303,624.18 = 84,086.90/x
  3. Step 3: Cross multiply
    202,415.43x = 303,624.18 × 84,086.90
  4. Step 4: Simplify right side
    202,415.43x = 25,530,816,061.24
  5. Step 5: Solve for x
    x = 25,530,816,061.24/202,415.43
  6. Step 6: Final answer
    x = 126,130.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.