Home / 204,239.68-306,194.28-91,837.60

Finding the Fourth Proportional to 204,239.68, 306,194.28 and 91,837.60

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Solution

The fourth proportional to 204,239.68, 306,194.28 and 91,837.60 is: 137,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,239.68 : 306,194.28 = 91,837.60 : x
  2. Step 2: Convert to fraction form
    204,239.68/306,194.28 = 91,837.60/x
  3. Step 3: Cross multiply
    204,239.68x = 306,194.28 × 91,837.60
  4. Step 4: Simplify right side
    204,239.68x = 28,120,147,808.93
  5. Step 5: Solve for x
    x = 28,120,147,808.93/204,239.68
  6. Step 6: Final answer
    x = 137,682.10

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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.