Home / 159,788.32-220,500.49-91,757.43

Finding the Fourth Proportional to 159,788.32, 220,500.49 and 91,757.43

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Solution

The fourth proportional to 159,788.32, 220,500.49 and 91,757.43 is: 126,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,788.32 : 220,500.49 = 91,757.43 : x
  2. Step 2: Convert to fraction form
    159,788.32/220,500.49 = 91,757.43/x
  3. Step 3: Cross multiply
    159,788.32x = 220,500.49 × 91,757.43
  4. Step 4: Simplify right side
    159,788.32x = 20,232,557,817.35
  5. Step 5: Solve for x
    x = 20,232,557,817.35/159,788.32
  6. Step 6: Final answer
    x = 126,621.01

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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.