Home / 188,741.44-260,463.09-103,858.50

Finding the Fourth Proportional to 188,741.44, 260,463.09 and 103,858.50

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Solution

The fourth proportional to 188,741.44, 260,463.09 and 103,858.50 is: 143,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,741.44 : 260,463.09 = 103,858.50 : x
  2. Step 2: Convert to fraction form
    188,741.44/260,463.09 = 103,858.50/x
  3. Step 3: Cross multiply
    188,741.44x = 260,463.09 × 103,858.50
  4. Step 4: Simplify right side
    188,741.44x = 27,051,307,198.97
  5. Step 5: Solve for x
    x = 27,051,307,198.97/188,741.44
  6. Step 6: Final answer
    x = 143,324.68

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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.