Home / 181,289.43-271,864.22-68,910.57

Finding the Fourth Proportional to 181,289.43, 271,864.22 and 68,910.57

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Solution

The fourth proportional to 181,289.43, 271,864.22 and 68,910.57 is: 103,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,289.43 : 271,864.22 = 68,910.57 : x
  2. Step 2: Convert to fraction form
    181,289.43/271,864.22 = 68,910.57/x
  3. Step 3: Cross multiply
    181,289.43x = 271,864.22 × 68,910.57
  4. Step 4: Simplify right side
    181,289.43x = 18,734,318,018.25
  5. Step 5: Solve for x
    x = 18,734,318,018.25/181,289.43
  6. Step 6: Final answer
    x = 103,339.27

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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.