Home / 167,738.99-231,290.84-122,336.87

Finding the Fourth Proportional to 167,738.99, 231,290.84 and 122,336.87

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Solution

The fourth proportional to 167,738.99, 231,290.84 and 122,336.87 is: 168,687.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,738.99 : 231,290.84 = 122,336.87 : x
  2. Step 2: Convert to fraction form
    167,738.99/231,290.84 = 122,336.87/x
  3. Step 3: Cross multiply
    167,738.99x = 231,290.84 × 122,336.87
  4. Step 4: Simplify right side
    167,738.99x = 28,295,396,574.66
  5. Step 5: Solve for x
    x = 28,295,396,574.66/167,738.99
  6. Step 6: Final answer
    x = 168,687.06

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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.