Home / 143,832.50-215,714.11-43,993.54

Finding the Fourth Proportional to 143,832.50, 215,714.11 and 43,993.54

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Solution

The fourth proportional to 143,832.50, 215,714.11 and 43,993.54 is: 65,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,832.50 : 215,714.11 = 43,993.54 : x
  2. Step 2: Convert to fraction form
    143,832.50/215,714.11 = 43,993.54/x
  3. Step 3: Cross multiply
    143,832.50x = 215,714.11 × 43,993.54
  4. Step 4: Simplify right side
    143,832.50x = 9,490,027,326.85
  5. Step 5: Solve for x
    x = 9,490,027,326.85/143,832.50
  6. Step 6: Final answer
    x = 65,979.71

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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.