Home / 159,723.37-239,732.61-80,892.96

Finding the Fourth Proportional to 159,723.37, 239,732.61 and 80,892.96

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Solution

The fourth proportional to 159,723.37, 239,732.61 and 80,892.96 is: 121,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,723.37 : 239,732.61 = 80,892.96 : x
  2. Step 2: Convert to fraction form
    159,723.37/239,732.61 = 80,892.96/x
  3. Step 3: Cross multiply
    159,723.37x = 239,732.61 × 80,892.96
  4. Step 4: Simplify right side
    159,723.37x = 19,392,680,431.43
  5. Step 5: Solve for x
    x = 19,392,680,431.43/159,723.37
  6. Step 6: Final answer
    x = 121,414.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.