Home / 195,957.74-270,401-115,380.02

Finding the Fourth Proportional to 195,957.74, 270,401 and 115,380.02

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Solution

The fourth proportional to 195,957.74, 270,401 and 115,380.02 is: 159,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,957.74 : 270,401 = 115,380.02 : x
  2. Step 2: Convert to fraction form
    195,957.74/270,401 = 115,380.02/x
  3. Step 3: Cross multiply
    195,957.74x = 270,401 × 115,380.02
  4. Step 4: Simplify right side
    195,957.74x = 31,198,872,788.02
  5. Step 5: Solve for x
    x = 31,198,872,788.02/195,957.74
  6. Step 6: Final answer
    x = 159,212.25

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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.