Home / 195,942.66-270,147.07-126,909.30

Finding the Fourth Proportional to 195,942.66, 270,147.07 and 126,909.30

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Solution

The fourth proportional to 195,942.66, 270,147.07 and 126,909.30 is: 174,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,942.66 : 270,147.07 = 126,909.30 : x
  2. Step 2: Convert to fraction form
    195,942.66/270,147.07 = 126,909.30/x
  3. Step 3: Cross multiply
    195,942.66x = 270,147.07 × 126,909.30
  4. Step 4: Simplify right side
    195,942.66x = 34,284,175,550.75
  5. Step 5: Solve for x
    x = 34,284,175,550.75/195,942.66
  6. Step 6: Final answer
    x = 174,970.45

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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.