Home / 204,716.72-307,086.08-64,486.32

Finding the Fourth Proportional to 204,716.72, 307,086.08 and 64,486.32

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Solution

The fourth proportional to 204,716.72, 307,086.08 and 64,486.32 is: 96,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,716.72 : 307,086.08 = 64,486.32 : x
  2. Step 2: Convert to fraction form
    204,716.72/307,086.08 = 64,486.32/x
  3. Step 3: Cross multiply
    204,716.72x = 307,086.08 × 64,486.32
  4. Step 4: Simplify right side
    204,716.72x = 19,802,851,222.43
  5. Step 5: Solve for x
    x = 19,802,851,222.43/204,716.72
  6. Step 6: Final answer
    x = 96,732.95

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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.