Home / 243,016.20-364,524.30-109,900.80

Finding the Fourth Proportional to 243,016.20, 364,524.30 and 109,900.80

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Solution

The fourth proportional to 243,016.20, 364,524.30 and 109,900.80 is: 164,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,016.20 : 364,524.30 = 109,900.80 : x
  2. Step 2: Convert to fraction form
    243,016.20/364,524.30 = 109,900.80/x
  3. Step 3: Cross multiply
    243,016.20x = 364,524.30 × 109,900.80
  4. Step 4: Simplify right side
    243,016.20x = 40,061,512,189.44
  5. Step 5: Solve for x
    x = 40,061,512,189.44/243,016.20
  6. Step 6: Final answer
    x = 164,851.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.