Home / 161,158.41-222,466.79-108,781.74

Finding the Fourth Proportional to 161,158.41, 222,466.79 and 108,781.74

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Solution

The fourth proportional to 161,158.41, 222,466.79 and 108,781.74 is: 150,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,158.41 : 222,466.79 = 108,781.74 : x
  2. Step 2: Convert to fraction form
    161,158.41/222,466.79 = 108,781.74/x
  3. Step 3: Cross multiply
    161,158.41x = 222,466.79 × 108,781.74
  4. Step 4: Simplify right side
    161,158.41x = 24,200,324,780.37
  5. Step 5: Solve for x
    x = 24,200,324,780.37/161,158.41
  6. Step 6: Final answer
    x = 150,164.83

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1.5x scale

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.