Home / 131,748.96-197,622.77-31,909.15

Finding the Fourth Proportional to 131,748.96, 197,622.77 and 31,909.15

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Solution

The fourth proportional to 131,748.96, 197,622.77 and 31,909.15 is: 47,863.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,748.96 : 197,622.77 = 31,909.15 : x
  2. Step 2: Convert to fraction form
    131,748.96/197,622.77 = 31,909.15/x
  3. Step 3: Cross multiply
    131,748.96x = 197,622.77 × 31,909.15
  4. Step 4: Simplify right side
    131,748.96x = 6,305,974,611.35
  5. Step 5: Solve for x
    x = 6,305,974,611.35/131,748.96
  6. Step 6: Final answer
    x = 47,863.56

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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.