Home / 230,031.20-345,078.24-80,249.04

Finding the Fourth Proportional to 230,031.20, 345,078.24 and 80,249.04

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Solution

The fourth proportional to 230,031.20, 345,078.24 and 80,249.04 is: 120,384.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,031.20 : 345,078.24 = 80,249.04 : x
  2. Step 2: Convert to fraction form
    230,031.20/345,078.24 = 80,249.04/x
  3. Step 3: Cross multiply
    230,031.20x = 345,078.24 × 80,249.04
  4. Step 4: Simplify right side
    230,031.20x = 27,692,197,484.89
  5. Step 5: Solve for x
    x = 27,692,197,484.89/230,031.20
  6. Step 6: Final answer
    x = 120,384.53

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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.