Home / 159,105.09-238,653.36-39,163.11

Finding the Fourth Proportional to 159,105.09, 238,653.36 and 39,163.11

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Solution

The fourth proportional to 159,105.09, 238,653.36 and 39,163.11 is: 58,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,105.09 : 238,653.36 = 39,163.11 : x
  2. Step 2: Convert to fraction form
    159,105.09/238,653.36 = 39,163.11/x
  3. Step 3: Cross multiply
    159,105.09x = 238,653.36 × 39,163.11
  4. Step 4: Simplify right side
    159,105.09x = 9,346,407,789.55
  5. Step 5: Solve for x
    x = 9,346,407,789.55/159,105.09
  6. Step 6: Final answer
    x = 58,743.61

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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.