Home / 159,414.48-219,997.62-87,799.95

Finding the Fourth Proportional to 159,414.48, 219,997.62 and 87,799.95

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Solution

The fourth proportional to 159,414.48, 219,997.62 and 87,799.95 is: 121,167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,414.48 : 219,997.62 = 87,799.95 : x
  2. Step 2: Convert to fraction form
    159,414.48/219,997.62 = 87,799.95/x
  3. Step 3: Cross multiply
    159,414.48x = 219,997.62 × 87,799.95
  4. Step 4: Simplify right side
    159,414.48x = 19,315,780,036.12
  5. Step 5: Solve for x
    x = 19,315,780,036.12/159,414.48
  6. Step 6: Final answer
    x = 121,167.04

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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.