Home / 188,124.97-259,538.56-107,509.25

Finding the Fourth Proportional to 188,124.97, 259,538.56 and 107,509.25

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Solution

The fourth proportional to 188,124.97, 259,538.56 and 107,509.25 is: 148,320.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,124.97 : 259,538.56 = 107,509.25 : x
  2. Step 2: Convert to fraction form
    188,124.97/259,538.56 = 107,509.25/x
  3. Step 3: Cross multiply
    188,124.97x = 259,538.56 × 107,509.25
  4. Step 4: Simplify right side
    188,124.97x = 27,902,796,186.54
  5. Step 5: Solve for x
    x = 27,902,796,186.54/188,124.97
  6. Step 6: Final answer
    x = 148,320.53

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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.