Home / 188,427.60-259,965.78-116,781.48

Finding the Fourth Proportional to 188,427.60, 259,965.78 and 116,781.48

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Solution

The fourth proportional to 188,427.60, 259,965.78 and 116,781.48 is: 161,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,427.60 : 259,965.78 = 116,781.48 : x
  2. Step 2: Convert to fraction form
    188,427.60/259,965.78 = 116,781.48/x
  3. Step 3: Cross multiply
    188,427.60x = 259,965.78 × 116,781.48
  4. Step 4: Simplify right side
    188,427.60x = 30,359,188,537.75
  5. Step 5: Solve for x
    x = 30,359,188,537.75/188,427.60
  6. Step 6: Final answer
    x = 161,118.59

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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.