Home / 188,904.44-260,678.77-104,005.64

Finding the Fourth Proportional to 188,904.44, 260,678.77 and 104,005.64

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Solution

The fourth proportional to 188,904.44, 260,678.77 and 104,005.64 is: 143,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,904.44 : 260,678.77 = 104,005.64 : x
  2. Step 2: Convert to fraction form
    188,904.44/260,678.77 = 104,005.64/x
  3. Step 3: Cross multiply
    188,904.44x = 260,678.77 × 104,005.64
  4. Step 4: Simplify right side
    188,904.44x = 27,112,062,308.26
  5. Step 5: Solve for x
    x = 27,112,062,308.26/188,904.44
  6. Step 6: Final answer
    x = 143,522.63

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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.