Home / 204,555.30-306,727.88-109,865.15

Finding the Fourth Proportional to 204,555.30, 306,727.88 and 109,865.15

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Solution

The fourth proportional to 204,555.30, 306,727.88 and 109,865.15 is: 164,741.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,555.30 : 306,727.88 = 109,865.15 : x
  2. Step 2: Convert to fraction form
    204,555.30/306,727.88 = 109,865.15/x
  3. Step 3: Cross multiply
    204,555.30x = 306,727.88 × 109,865.15
  4. Step 4: Simplify right side
    204,555.30x = 33,698,702,462.42
  5. Step 5: Solve for x
    x = 33,698,702,462.42/204,555.30
  6. Step 6: Final answer
    x = 164,741.28

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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.