Home / 188,982.73-260,796.81-104,099.59

Finding the Fourth Proportional to 188,982.73, 260,796.81 and 104,099.59

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Solution

The fourth proportional to 188,982.73, 260,796.81 and 104,099.59 is: 143,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,982.73 : 260,796.81 = 104,099.59 : x
  2. Step 2: Convert to fraction form
    188,982.73/260,796.81 = 104,099.59/x
  3. Step 3: Cross multiply
    188,982.73x = 260,796.81 × 104,099.59
  4. Step 4: Simplify right side
    188,982.73x = 27,148,840,994.31
  5. Step 5: Solve for x
    x = 27,148,840,994.31/188,982.73
  6. Step 6: Final answer
    x = 143,657.79

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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.