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Finding the Fourth Proportional to 181,679.60, 250,716 and 101,105.75

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Solution

The fourth proportional to 181,679.60, 250,716 and 101,105.75 is: 139,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,679.60 : 250,716 = 101,105.75 : x
  2. Step 2: Convert to fraction form
    181,679.60/250,716 = 101,105.75/x
  3. Step 3: Cross multiply
    181,679.60x = 250,716 × 101,105.75
  4. Step 4: Simplify right side
    181,679.60x = 25,348,827,963.42
  5. Step 5: Solve for x
    x = 25,348,827,963.42/181,679.60
  6. Step 6: Final answer
    x = 139,524.90

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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.