Home / 143,809.20-215,755.92-50,322.24

Finding the Fourth Proportional to 143,809.20, 215,755.92 and 50,322.24

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Solution

The fourth proportional to 143,809.20, 215,755.92 and 50,322.24 is: 75,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,809.20 : 215,755.92 = 50,322.24 : x
  2. Step 2: Convert to fraction form
    143,809.20/215,755.92 = 50,322.24/x
  3. Step 3: Cross multiply
    143,809.20x = 215,755.92 × 50,322.24
  4. Step 4: Simplify right side
    143,809.20x = 10,857,321,187.66
  5. Step 5: Solve for x
    x = 10,857,321,187.66/143,809.20
  6. Step 6: Final answer
    x = 75,498.10

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1.5x scale

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.