Home / 195,971.50-270,432.84-115,402.42

Finding the Fourth Proportional to 195,971.50, 270,432.84 and 115,402.42

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Solution

The fourth proportional to 195,971.50, 270,432.84 and 115,402.42 is: 159,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,971.50 : 270,432.84 = 115,402.42 : x
  2. Step 2: Convert to fraction form
    195,971.50/270,432.84 = 115,402.42/x
  3. Step 3: Cross multiply
    195,971.50x = 270,432.84 × 115,402.42
  4. Step 4: Simplify right side
    195,971.50x = 31,208,604,183.47
  5. Step 5: Solve for x
    x = 31,208,604,183.47/195,971.50
  6. Step 6: Final answer
    x = 159,250.73

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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.