Home / 203,923.67-305,571.12-109,166.42

Finding the Fourth Proportional to 203,923.67, 305,571.12 and 109,166.42

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Solution

The fourth proportional to 203,923.67, 305,571.12 and 109,166.42 is: 163,581.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,923.67 : 305,571.12 = 109,166.42 : x
  2. Step 2: Convert to fraction form
    203,923.67/305,571.12 = 109,166.42/x
  3. Step 3: Cross multiply
    203,923.67x = 305,571.12 × 109,166.42
  4. Step 4: Simplify right side
    203,923.67x = 33,358,106,098.77
  5. Step 5: Solve for x
    x = 33,358,106,098.77/203,923.67
  6. Step 6: Final answer
    x = 163,581.34

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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.