Home / 188,256.96-259,796.16-103,383.36

Finding the Fourth Proportional to 188,256.96, 259,796.16 and 103,383.36

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Solution

The fourth proportional to 188,256.96, 259,796.16 and 103,383.36 is: 142,669.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,256.96 : 259,796.16 = 103,383.36 : x
  2. Step 2: Convert to fraction form
    188,256.96/259,796.16 = 103,383.36/x
  3. Step 3: Cross multiply
    188,256.96x = 259,796.16 × 103,383.36
  4. Step 4: Simplify right side
    188,256.96x = 26,858,599,935.90
  5. Step 5: Solve for x
    x = 26,858,599,935.90/188,256.96
  6. Step 6: Final answer
    x = 142,669.89

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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.