Home / 123,193.22-170,079.90-80,825.72

Finding the Fourth Proportional to 123,193.22, 170,079.90 and 80,825.72

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Solution

The fourth proportional to 123,193.22, 170,079.90 and 80,825.72 is: 111,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,193.22 : 170,079.90 = 80,825.72 : x
  2. Step 2: Convert to fraction form
    123,193.22/170,079.90 = 80,825.72/x
  3. Step 3: Cross multiply
    123,193.22x = 170,079.90 × 80,825.72
  4. Step 4: Simplify right side
    123,193.22x = 13,746,830,375.03
  5. Step 5: Solve for x
    x = 13,746,830,375.03/123,193.22
  6. Step 6: Final answer
    x = 111,587.56

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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.