Home / 188,284.88-259,837.26-103,402.28

Finding the Fourth Proportional to 188,284.88, 259,837.26 and 103,402.28

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Solution

The fourth proportional to 188,284.88, 259,837.26 and 103,402.28 is: 142,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,284.88 : 259,837.26 = 103,402.28 : x
  2. Step 2: Convert to fraction form
    188,284.88/259,837.26 = 103,402.28/x
  3. Step 3: Cross multiply
    188,284.88x = 259,837.26 × 103,402.28
  4. Step 4: Simplify right side
    188,284.88x = 26,867,765,112.95
  5. Step 5: Solve for x
    x = 26,867,765,112.95/188,284.88
  6. Step 6: Final answer
    x = 142,697.41

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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.