Home / 161,838.30-242,757.45-51,015.90

Finding the Fourth Proportional to 161,838.30, 242,757.45 and 51,015.90

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Solution

The fourth proportional to 161,838.30, 242,757.45 and 51,015.90 is: 76,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,838.30 : 242,757.45 = 51,015.90 : x
  2. Step 2: Convert to fraction form
    161,838.30/242,757.45 = 51,015.90/x
  3. Step 3: Cross multiply
    161,838.30x = 242,757.45 × 51,015.90
  4. Step 4: Simplify right side
    161,838.30x = 12,384,489,793.46
  5. Step 5: Solve for x
    x = 12,384,489,793.46/161,838.30
  6. Step 6: Final answer
    x = 76,523.85

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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.