Home / 188,040.51-259,501.32-103,163.04

Finding the Fourth Proportional to 188,040.51, 259,501.32 and 103,163.04

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Solution

The fourth proportional to 188,040.51, 259,501.32 and 103,163.04 is: 142,367.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,040.51 : 259,501.32 = 103,163.04 : x
  2. Step 2: Convert to fraction form
    188,040.51/259,501.32 = 103,163.04/x
  3. Step 3: Cross multiply
    188,040.51x = 259,501.32 × 103,163.04
  4. Step 4: Simplify right side
    188,040.51x = 26,770,945,055.21
  5. Step 5: Solve for x
    x = 26,770,945,055.21/188,040.51
  6. Step 6: Final answer
    x = 142,367.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.