Home / 215,923.46-297,974.79-120,436.34

Finding the Fourth Proportional to 215,923.46, 297,974.79 and 120,436.34

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Solution

The fourth proportional to 215,923.46, 297,974.79 and 120,436.34 is: 166,202.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,923.46 : 297,974.79 = 120,436.34 : x
  2. Step 2: Convert to fraction form
    215,923.46/297,974.79 = 120,436.34/x
  3. Step 3: Cross multiply
    215,923.46x = 297,974.79 × 120,436.34
  4. Step 4: Simplify right side
    215,923.46x = 35,886,991,629.99
  5. Step 5: Solve for x
    x = 35,886,991,629.99/215,923.46
  6. Step 6: Final answer
    x = 166,202.38

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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.