Home / 159,869.24-220,618.31-88,249.24

Finding the Fourth Proportional to 159,869.24, 220,618.31 and 88,249.24

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Solution

The fourth proportional to 159,869.24, 220,618.31 and 88,249.24 is: 121,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,869.24 : 220,618.31 = 88,249.24 : x
  2. Step 2: Convert to fraction form
    159,869.24/220,618.31 = 88,249.24/x
  3. Step 3: Cross multiply
    159,869.24x = 220,618.31 × 88,249.24
  4. Step 4: Simplify right side
    159,869.24x = 19,469,398,187.58
  5. Step 5: Solve for x
    x = 19,469,398,187.58/159,869.24
  6. Step 6: Final answer
    x = 121,783.27

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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.