Home / 131,819.16-197,687.79-47,568.39

Finding the Fourth Proportional to 131,819.16, 197,687.79 and 47,568.39

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Solution

The fourth proportional to 131,819.16, 197,687.79 and 47,568.39 is: 71,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,819.16 : 197,687.79 = 47,568.39 : x
  2. Step 2: Convert to fraction form
    131,819.16/197,687.79 = 47,568.39/x
  3. Step 3: Cross multiply
    131,819.16x = 197,687.79 × 47,568.39
  4. Step 4: Simplify right side
    131,819.16x = 9,403,689,892.96
  5. Step 5: Solve for x
    x = 9,403,689,892.96/131,819.16
  6. Step 6: Final answer
    x = 71,337.81

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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.