Home / 204,561.05-306,883.49-86,232.60

Finding the Fourth Proportional to 204,561.05, 306,883.49 and 86,232.60

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Solution

The fourth proportional to 204,561.05, 306,883.49 and 86,232.60 is: 129,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,561.05 : 306,883.49 = 86,232.60 : x
  2. Step 2: Convert to fraction form
    204,561.05/306,883.49 = 86,232.60/x
  3. Step 3: Cross multiply
    204,561.05x = 306,883.49 × 86,232.60
  4. Step 4: Simplify right side
    204,561.05x = 26,463,360,808.61
  5. Step 5: Solve for x
    x = 26,463,360,808.61/204,561.05
  6. Step 6: Final answer
    x = 129,366.57

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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.