Home / 230,785.20-346,145.40-73,029.60

Finding the Fourth Proportional to 230,785.20, 346,145.40 and 73,029.60

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Solution

The fourth proportional to 230,785.20, 346,145.40 and 73,029.60 is: 109,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,785.20 : 346,145.40 = 73,029.60 : x
  2. Step 2: Convert to fraction form
    230,785.20/346,145.40 = 73,029.60/x
  3. Step 3: Cross multiply
    230,785.20x = 346,145.40 × 73,029.60
  4. Step 4: Simplify right side
    230,785.20x = 25,278,860,103.84
  5. Step 5: Solve for x
    x = 25,278,860,103.84/230,785.20
  6. Step 6: Final answer
    x = 109,534.15

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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.