Home / 204,064.80-306,097.20-109,586.40

Finding the Fourth Proportional to 204,064.80, 306,097.20 and 109,586.40

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Solution

The fourth proportional to 204,064.80, 306,097.20 and 109,586.40 is: 164,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,064.80 : 306,097.20 = 109,586.40 : x
  2. Step 2: Convert to fraction form
    204,064.80/306,097.20 = 109,586.40/x
  3. Step 3: Cross multiply
    204,064.80x = 306,097.20 × 109,586.40
  4. Step 4: Simplify right side
    204,064.80x = 33,544,090,198.08
  5. Step 5: Solve for x
    x = 33,544,090,198.08/204,064.80
  6. Step 6: Final answer
    x = 164,379.60

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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.