Home / 195,818.70-270,209.48-115,241.42

Finding the Fourth Proportional to 195,818.70, 270,209.48 and 115,241.42

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Solution

The fourth proportional to 195,818.70, 270,209.48 and 115,241.42 is: 159,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,818.70 : 270,209.48 = 115,241.42 : x
  2. Step 2: Convert to fraction form
    195,818.70/270,209.48 = 115,241.42/x
  3. Step 3: Cross multiply
    195,818.70x = 270,209.48 × 115,241.42
  4. Step 4: Simplify right side
    195,818.70x = 31,139,324,172.66
  5. Step 5: Solve for x
    x = 31,139,324,172.66/195,818.70
  6. Step 6: Final answer
    x = 159,021.20

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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.