Home / 204,974.49-307,521.27-85,009.44

Finding the Fourth Proportional to 204,974.49, 307,521.27 and 85,009.44

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Solution

The fourth proportional to 204,974.49, 307,521.27 and 85,009.44 is: 127,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,974.49 : 307,521.27 = 85,009.44 : x
  2. Step 2: Convert to fraction form
    204,974.49/307,521.27 = 85,009.44/x
  3. Step 3: Cross multiply
    204,974.49x = 307,521.27 × 85,009.44
  4. Step 4: Simplify right side
    204,974.49x = 26,142,210,950.79
  5. Step 5: Solve for x
    x = 26,142,210,950.79/204,974.49
  6. Step 6: Final answer
    x = 127,538.85

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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.