Home / 131,227.12-196,927.55-72,104

Finding the Fourth Proportional to 131,227.12, 196,927.55 and 72,104

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Solution

The fourth proportional to 131,227.12, 196,927.55 and 72,104 is: 108,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,227.12 : 196,927.55 = 72,104 : x
  2. Step 2: Convert to fraction form
    131,227.12/196,927.55 = 72,104/x
  3. Step 3: Cross multiply
    131,227.12x = 196,927.55 × 72,104
  4. Step 4: Simplify right side
    131,227.12x = 14,199,263,704.68
  5. Step 5: Solve for x
    x = 14,199,263,704.68/131,227.12
  6. Step 6: Final answer
    x = 108,203.73

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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.