Home / 110,785.23-166,163.27-30,828.51

Finding the Fourth Proportional to 110,785.23, 166,163.27 and 30,828.51

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Solution

The fourth proportional to 110,785.23, 166,163.27 and 30,828.51 is: 46,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,785.23 : 166,163.27 = 30,828.51 : x
  2. Step 2: Convert to fraction form
    110,785.23/166,163.27 = 30,828.51/x
  3. Step 3: Cross multiply
    110,785.23x = 166,163.27 × 30,828.51
  4. Step 4: Simplify right side
    110,785.23x = 5,122,565,876.69
  5. Step 5: Solve for x
    x = 5,122,565,876.69/110,785.23
  6. Step 6: Final answer
    x = 46,238.71

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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.