Home / 188,236.31-259,774.29-107,689.10

Finding the Fourth Proportional to 188,236.31, 259,774.29 and 107,689.10

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Solution

The fourth proportional to 188,236.31, 259,774.29 and 107,689.10 is: 148,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,236.31 : 259,774.29 = 107,689.10 : x
  2. Step 2: Convert to fraction form
    188,236.31/259,774.29 = 107,689.10/x
  3. Step 3: Cross multiply
    188,236.31x = 259,774.29 × 107,689.10
  4. Step 4: Simplify right side
    188,236.31x = 27,974,858,194.37
  5. Step 5: Solve for x
    x = 27,974,858,194.37/188,236.31
  6. Step 6: Final answer
    x = 148,615.64

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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.