Home / 131,948.54-197,921.68-47,676.83

Finding the Fourth Proportional to 131,948.54, 197,921.68 and 47,676.83

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Solution

The fourth proportional to 131,948.54, 197,921.68 and 47,676.83 is: 71,514.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,948.54 : 197,921.68 = 47,676.83 : x
  2. Step 2: Convert to fraction form
    131,948.54/197,921.68 = 47,676.83/x
  3. Step 3: Cross multiply
    131,948.54x = 197,921.68 × 47,676.83
  4. Step 4: Simplify right side
    131,948.54x = 9,436,277,738.53
  5. Step 5: Solve for x
    x = 9,436,277,738.53/131,948.54
  6. Step 6: Final answer
    x = 71,514.83

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1.5x scale

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.