Home / 131,736.41-181,799.79-80,035.91

Finding the Fourth Proportional to 131,736.41, 181,799.79 and 80,035.91

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Solution

The fourth proportional to 131,736.41, 181,799.79 and 80,035.91 is: 110,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,736.41 : 181,799.79 = 80,035.91 : x
  2. Step 2: Convert to fraction form
    131,736.41/181,799.79 = 80,035.91/x
  3. Step 3: Cross multiply
    131,736.41x = 181,799.79 × 80,035.91
  4. Step 4: Simplify right side
    131,736.41x = 14,550,512,125.70
  5. Step 5: Solve for x
    x = 14,550,512,125.70/131,736.41
  6. Step 6: Final answer
    x = 110,451.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.