Home / 159,654.20-220,298.81-91,674.14

Finding the Fourth Proportional to 159,654.20, 220,298.81 and 91,674.14

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Solution

The fourth proportional to 159,654.20, 220,298.81 and 91,674.14 is: 126,496.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,654.20 : 220,298.81 = 91,674.14 : x
  2. Step 2: Convert to fraction form
    159,654.20/220,298.81 = 91,674.14/x
  3. Step 3: Cross multiply
    159,654.20x = 220,298.81 × 91,674.14
  4. Step 4: Simplify right side
    159,654.20x = 20,195,702,389.91
  5. Step 5: Solve for x
    x = 20,195,702,389.91/159,654.20
  6. Step 6: Final answer
    x = 126,496.53

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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.