Home / 188,236.42-259,770.45-103,353.82

Finding the Fourth Proportional to 188,236.42, 259,770.45 and 103,353.82

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Solution

The fourth proportional to 188,236.42, 259,770.45 and 103,353.82 is: 142,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,236.42 : 259,770.45 = 103,353.82 : x
  2. Step 2: Convert to fraction form
    188,236.42/259,770.45 = 103,353.82/x
  3. Step 3: Cross multiply
    188,236.42x = 259,770.45 × 103,353.82
  4. Step 4: Simplify right side
    188,236.42x = 26,848,268,330.62
  5. Step 5: Solve for x
    x = 26,848,268,330.62/188,236.42
  6. Step 6: Final answer
    x = 142,630.57

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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.