Home / 231,033.60-346,550.40-131,500.80

Finding the Fourth Proportional to 231,033.60, 346,550.40 and 131,500.80

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Solution

The fourth proportional to 231,033.60, 346,550.40 and 131,500.80 is: 197,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,033.60 : 346,550.40 = 131,500.80 : x
  2. Step 2: Convert to fraction form
    231,033.60/346,550.40 = 131,500.80/x
  3. Step 3: Cross multiply
    231,033.60x = 346,550.40 × 131,500.80
  4. Step 4: Simplify right side
    231,033.60x = 45,571,654,840.32
  5. Step 5: Solve for x
    x = 45,571,654,840.32/231,033.60
  6. Step 6: Final answer
    x = 197,251.20

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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.