Home / 218,460.29-327,727.80-100,141.79

Finding the Fourth Proportional to 218,460.29, 327,727.80 and 100,141.79

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Solution

The fourth proportional to 218,460.29, 327,727.80 and 100,141.79 is: 150,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,460.29 : 327,727.80 = 100,141.79 : x
  2. Step 2: Convert to fraction form
    218,460.29/327,727.80 = 100,141.79/x
  3. Step 3: Cross multiply
    218,460.29x = 327,727.80 × 100,141.79
  4. Step 4: Simplify right side
    218,460.29x = 32,819,246,886.12
  5. Step 5: Solve for x
    x = 32,819,246,886.12/218,460.29
  6. Step 6: Final answer
    x = 150,229.81

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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.