Home / 243,964.05-336,662.37-136,531.32

Finding the Fourth Proportional to 243,964.05, 336,662.37 and 136,531.32

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Solution

The fourth proportional to 243,964.05, 336,662.37 and 136,531.32 is: 188,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,964.05 : 336,662.37 = 136,531.32 : x
  2. Step 2: Convert to fraction form
    243,964.05/336,662.37 = 136,531.32/x
  3. Step 3: Cross multiply
    243,964.05x = 336,662.37 × 136,531.32
  4. Step 4: Simplify right side
    243,964.05x = 45,964,957,770.43
  5. Step 5: Solve for x
    x = 45,964,957,770.43/243,964.05
  6. Step 6: Final answer
    x = 188,408.73

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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.