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Finding the Fourth Proportional to 131,193.57, 196,695.57 and 51,163.77

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Solution

The fourth proportional to 131,193.57, 196,695.57 and 51,163.77 is: 76,708.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,193.57 : 196,695.57 = 51,163.77 : x
  2. Step 2: Convert to fraction form
    131,193.57/196,695.57 = 51,163.77/x
  3. Step 3: Cross multiply
    131,193.57x = 196,695.57 × 51,163.77
  4. Step 4: Simplify right side
    131,193.57x = 10,063,686,903.50
  5. Step 5: Solve for x
    x = 10,063,686,903.50/131,193.57
  6. Step 6: Final answer
    x = 76,708.69

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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.