Home / 123,373.24-170,245.74-69,650.80

Finding the Fourth Proportional to 123,373.24, 170,245.74 and 69,650.80

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Solution

The fourth proportional to 123,373.24, 170,245.74 and 69,650.80 is: 96,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,373.24 : 170,245.74 = 69,650.80 : x
  2. Step 2: Convert to fraction form
    123,373.24/170,245.74 = 69,650.80/x
  3. Step 3: Cross multiply
    123,373.24x = 170,245.74 × 69,650.80
  4. Step 4: Simplify right side
    123,373.24x = 11,857,751,987.59
  5. Step 5: Solve for x
    x = 11,857,751,987.59/123,373.24
  6. Step 6: Final answer
    x = 96,112.84

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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.