Home / 159,454.48-220,046.16-87,832.84

Finding the Fourth Proportional to 159,454.48, 220,046.16 and 87,832.84

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Solution

The fourth proportional to 159,454.48, 220,046.16 and 87,832.84 is: 121,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,454.48 : 220,046.16 = 87,832.84 : x
  2. Step 2: Convert to fraction form
    159,454.48/220,046.16 = 87,832.84/x
  3. Step 3: Cross multiply
    159,454.48x = 220,046.16 × 87,832.84
  4. Step 4: Simplify right side
    159,454.48x = 19,327,279,163.89
  5. Step 5: Solve for x
    x = 19,327,279,163.89/159,454.48
  6. Step 6: Final answer
    x = 121,208.76

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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.