Home / 205,331.20-307,996.80-116,857.60

Finding the Fourth Proportional to 205,331.20, 307,996.80 and 116,857.60

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Solution

The fourth proportional to 205,331.20, 307,996.80 and 116,857.60 is: 175,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,331.20 : 307,996.80 = 116,857.60 : x
  2. Step 2: Convert to fraction form
    205,331.20/307,996.80 = 116,857.60/x
  3. Step 3: Cross multiply
    205,331.20x = 307,996.80 × 116,857.60
  4. Step 4: Simplify right side
    205,331.20x = 35,991,766,855.68
  5. Step 5: Solve for x
    x = 35,991,766,855.68/205,331.20
  6. Step 6: Final answer
    x = 175,286.40

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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.