Home / 230,949.90-346,540.05-131,186.70

Finding the Fourth Proportional to 230,949.90, 346,540.05 and 131,186.70

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Solution

The fourth proportional to 230,949.90, 346,540.05 and 131,186.70 is: 196,845.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,949.90 : 346,540.05 = 131,186.70 : x
  2. Step 2: Convert to fraction form
    230,949.90/346,540.05 = 131,186.70/x
  3. Step 3: Cross multiply
    230,949.90x = 346,540.05 × 131,186.70
  4. Step 4: Simplify right side
    230,949.90x = 45,461,445,577.34
  5. Step 5: Solve for x
    x = 45,461,445,577.34/230,949.90
  6. Step 6: Final answer
    x = 196,845.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.