Home / 140,074.06-193,311.33-79,650.32

Finding the Fourth Proportional to 140,074.06, 193,311.33 and 79,650.32

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Solution

The fourth proportional to 140,074.06, 193,311.33 and 79,650.32 is: 109,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,074.06 : 193,311.33 = 79,650.32 : x
  2. Step 2: Convert to fraction form
    140,074.06/193,311.33 = 79,650.32/x
  3. Step 3: Cross multiply
    140,074.06x = 193,311.33 × 79,650.32
  4. Step 4: Simplify right side
    140,074.06x = 15,397,310,076.09
  5. Step 5: Solve for x
    x = 15,397,310,076.09/140,074.06
  6. Step 6: Final answer
    x = 109,922.64

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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.