Home / 159,714.56-220,405.68-91,736

Finding the Fourth Proportional to 159,714.56, 220,405.68 and 91,736

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Solution

The fourth proportional to 159,714.56, 220,405.68 and 91,736 is: 126,595.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,714.56 : 220,405.68 = 91,736 : x
  2. Step 2: Convert to fraction form
    159,714.56/220,405.68 = 91,736/x
  3. Step 3: Cross multiply
    159,714.56x = 220,405.68 × 91,736
  4. Step 4: Simplify right side
    159,714.56x = 20,219,135,460.48
  5. Step 5: Solve for x
    x = 20,219,135,460.48/159,714.56
  6. Step 6: Final answer
    x = 126,595.44

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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.