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Finding the Fourth Proportional to 182,663.40, 273,991.26 and 84,167.40

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Solution

The fourth proportional to 182,663.40, 273,991.26 and 84,167.40 is: 126,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,663.40 : 273,991.26 = 84,167.40 : x
  2. Step 2: Convert to fraction form
    182,663.40/273,991.26 = 84,167.40/x
  3. Step 3: Cross multiply
    182,663.40x = 273,991.26 × 84,167.40
  4. Step 4: Simplify right side
    182,663.40x = 23,061,131,976.92
  5. Step 5: Solve for x
    x = 23,061,131,976.92/182,663.40
  6. Step 6: Final answer
    x = 126,249.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.