Home / 131,919.44-182,072.22-100,034.60

Finding the Fourth Proportional to 131,919.44, 182,072.22 and 100,034.60

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Solution

The fourth proportional to 131,919.44, 182,072.22 and 100,034.60 is: 138,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,919.44 : 182,072.22 = 100,034.60 : x
  2. Step 2: Convert to fraction form
    131,919.44/182,072.22 = 100,034.60/x
  3. Step 3: Cross multiply
    131,919.44x = 182,072.22 × 100,034.60
  4. Step 4: Simplify right side
    131,919.44x = 18,213,521,698.81
  5. Step 5: Solve for x
    x = 18,213,521,698.81/131,919.44
  6. Step 6: Final answer
    x = 138,065.49

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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.