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Finding the Fourth Proportional to 181,322.44, 250,120.74 and 113,221.18

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Solution

The fourth proportional to 181,322.44, 250,120.74 and 113,221.18 is: 156,180.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,322.44 : 250,120.74 = 113,221.18 : x
  2. Step 2: Convert to fraction form
    181,322.44/250,120.74 = 113,221.18/x
  3. Step 3: Cross multiply
    181,322.44x = 250,120.74 × 113,221.18
  4. Step 4: Simplify right side
    181,322.44x = 28,318,965,325.27
  5. Step 5: Solve for x
    x = 28,318,965,325.27/181,322.44
  6. Step 6: Final answer
    x = 156,180.15

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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.