Home / 131,227.62-196,928.30-72,104.50

Finding the Fourth Proportional to 131,227.62, 196,928.30 and 72,104.50

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Solution

The fourth proportional to 131,227.62, 196,928.30 and 72,104.50 is: 108,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,227.62 : 196,928.30 = 72,104.50 : x
  2. Step 2: Convert to fraction form
    131,227.62/196,928.30 = 72,104.50/x
  3. Step 3: Cross multiply
    131,227.62x = 196,928.30 × 72,104.50
  4. Step 4: Simplify right side
    131,227.62x = 14,199,416,607.35
  5. Step 5: Solve for x
    x = 14,199,416,607.35/131,227.62
  6. Step 6: Final answer
    x = 108,204.48

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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.