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Finding the Fourth Proportional to 169,944.02, 254,916 and 80,927.63

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Solution

The fourth proportional to 169,944.02, 254,916 and 80,927.63 is: 121,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,944.02 : 254,916 = 80,927.63 : x
  2. Step 2: Convert to fraction form
    169,944.02/254,916 = 80,927.63/x
  3. Step 3: Cross multiply
    169,944.02x = 254,916 × 80,927.63
  4. Step 4: Simplify right side
    169,944.02x = 20,629,747,729.08
  5. Step 5: Solve for x
    x = 20,629,747,729.08/169,944.02
  6. Step 6: Final answer
    x = 121,391.43

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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.