Home / 204,932.30-307,070.40-134,729.60

Finding the Fourth Proportional to 204,932.30, 307,070.40 and 134,729.60

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Solution

The fourth proportional to 204,932.30, 307,070.40 and 134,729.60 is: 201,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,932.30 : 307,070.40 = 134,729.60 : x
  2. Step 2: Convert to fraction form
    204,932.30/307,070.40 = 134,729.60/x
  3. Step 3: Cross multiply
    204,932.30x = 307,070.40 × 134,729.60
  4. Step 4: Simplify right side
    204,932.30x = 41,371,472,163.84
  5. Step 5: Solve for x
    x = 41,371,472,163.84/204,932.30
  6. Step 6: Final answer
    x = 201,878.73

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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.