Home / 131,586.21-197,377.48-31,745.56

Finding the Fourth Proportional to 131,586.21, 197,377.48 and 31,745.56

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Solution

The fourth proportional to 131,586.21, 197,377.48 and 31,745.56 is: 47,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,586.21 : 197,377.48 = 31,745.56 : x
  2. Step 2: Convert to fraction form
    131,586.21/197,377.48 = 31,745.56/x
  3. Step 3: Cross multiply
    131,586.21x = 197,377.48 × 31,745.56
  4. Step 4: Simplify right side
    131,586.21x = 6,265,858,362.03
  5. Step 5: Solve for x
    x = 6,265,858,362.03/131,586.21
  6. Step 6: Final answer
    x = 47,617.90

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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.