Home / 204,026.82-306,009.99-109,140.18

Finding the Fourth Proportional to 204,026.82, 306,009.99 and 109,140.18

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Solution

The fourth proportional to 204,026.82, 306,009.99 and 109,140.18 is: 163,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,026.82 : 306,009.99 = 109,140.18 : x
  2. Step 2: Convert to fraction form
    204,026.82/306,009.99 = 109,140.18/x
  3. Step 3: Cross multiply
    204,026.82x = 306,009.99 × 109,140.18
  4. Step 4: Simplify right side
    204,026.82x = 33,397,985,390.40
  5. Step 5: Solve for x
    x = 33,397,985,390.40/204,026.82
  6. Step 6: Final answer
    x = 163,694.09

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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.