Home / 142,518.26-196,791.46-91,556.30

Finding the Fourth Proportional to 142,518.26, 196,791.46 and 91,556.30

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Solution

The fourth proportional to 142,518.26, 196,791.46 and 91,556.30 is: 126,422.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,518.26 : 196,791.46 = 91,556.30 : x
  2. Step 2: Convert to fraction form
    142,518.26/196,791.46 = 91,556.30/x
  3. Step 3: Cross multiply
    142,518.26x = 196,791.46 × 91,556.30
  4. Step 4: Simplify right side
    142,518.26x = 18,017,497,949.20
  5. Step 5: Solve for x
    x = 18,017,497,949.20/142,518.26
  6. Step 6: Final answer
    x = 126,422.38

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1.5x scale

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.