Home / 131,996.60-198,163.86-113,395.64

Finding the Fourth Proportional to 131,996.60, 198,163.86 and 113,395.64

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Solution

The fourth proportional to 131,996.60, 198,163.86 and 113,395.64 is: 170,238.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,996.60 : 198,163.86 = 113,395.64 : x
  2. Step 2: Convert to fraction form
    131,996.60/198,163.86 = 113,395.64/x
  3. Step 3: Cross multiply
    131,996.60x = 198,163.86 × 113,395.64
  4. Step 4: Simplify right side
    131,996.60x = 22,470,917,729.57
  5. Step 5: Solve for x
    x = 22,470,917,729.57/131,996.60
  6. Step 6: Final answer
    x = 170,238.61

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1.5x scale

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.