Home / 159,134.58-219,601.34-87,514.59

Finding the Fourth Proportional to 159,134.58, 219,601.34 and 87,514.59

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Solution

The fourth proportional to 159,134.58, 219,601.34 and 87,514.59 is: 120,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,134.58 : 219,601.34 = 87,514.59 : x
  2. Step 2: Convert to fraction form
    159,134.58/219,601.34 = 87,514.59/x
  3. Step 3: Cross multiply
    159,134.58x = 219,601.34 × 87,514.59
  4. Step 4: Simplify right side
    159,134.58x = 19,218,321,947.66
  5. Step 5: Solve for x
    x = 19,218,321,947.66/159,134.58
  6. Step 6: Final answer
    x = 120,767.73

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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.