Home / 218,660.94-327,709.80-106,123.37

Finding the Fourth Proportional to 218,660.94, 327,709.80 and 106,123.37

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Solution

The fourth proportional to 218,660.94, 327,709.80 and 106,123.37 is: 159,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,660.94 : 327,709.80 = 106,123.37 : x
  2. Step 2: Convert to fraction form
    218,660.94/327,709.80 = 106,123.37/x
  3. Step 3: Cross multiply
    218,660.94x = 327,709.80 × 106,123.37
  4. Step 4: Simplify right side
    218,660.94x = 34,777,668,358.03
  5. Step 5: Solve for x
    x = 34,777,668,358.03/218,660.94
  6. Step 6: Final answer
    x = 159,048.38

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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.