Home / 204,947.54-307,525.83-138,247.89

Finding the Fourth Proportional to 204,947.54, 307,525.83 and 138,247.89

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Solution

The fourth proportional to 204,947.54, 307,525.83 and 138,247.89 is: 207,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,947.54 : 307,525.83 = 138,247.89 : x
  2. Step 2: Convert to fraction form
    204,947.54/307,525.83 = 138,247.89/x
  3. Step 3: Cross multiply
    204,947.54x = 307,525.83 × 138,247.89
  4. Step 4: Simplify right side
    204,947.54x = 42,514,797,118.00
  5. Step 5: Solve for x
    x = 42,514,797,118.00/204,947.54
  6. Step 6: Final answer
    x = 207,442.34

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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.