Home / 188,235.04-259,764.64-103,357.52

Finding the Fourth Proportional to 188,235.04, 259,764.64 and 103,357.52

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Solution

The fourth proportional to 188,235.04, 259,764.64 and 103,357.52 is: 142,633.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,235.04 : 259,764.64 = 103,357.52 : x
  2. Step 2: Convert to fraction form
    188,235.04/259,764.64 = 103,357.52/x
  3. Step 3: Cross multiply
    188,235.04x = 259,764.64 × 103,357.52
  4. Step 4: Simplify right side
    188,235.04x = 26,848,628,974.09
  5. Step 5: Solve for x
    x = 26,848,628,974.09/188,235.04
  6. Step 6: Final answer
    x = 142,633.53

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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.