Home / 131,355.10-197,067.48-47,123.56

Finding the Fourth Proportional to 131,355.10, 197,067.48 and 47,123.56

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Solution

The fourth proportional to 131,355.10, 197,067.48 and 47,123.56 is: 70,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,355.10 : 197,067.48 = 47,123.56 : x
  2. Step 2: Convert to fraction form
    131,355.10/197,067.48 = 47,123.56/x
  3. Step 3: Cross multiply
    131,355.10x = 197,067.48 × 47,123.56
  4. Step 4: Simplify right side
    131,355.10x = 9,286,521,217.83
  5. Step 5: Solve for x
    x = 9,286,521,217.83/131,355.10
  6. Step 6: Final answer
    x = 70,697.84

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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.