Home / 246,630.72-340,351.56-139,205.28

Finding the Fourth Proportional to 246,630.72, 340,351.56 and 139,205.28

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Solution

The fourth proportional to 246,630.72, 340,351.56 and 139,205.28 is: 192,103.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,630.72 : 340,351.56 = 139,205.28 : x
  2. Step 2: Convert to fraction form
    246,630.72/340,351.56 = 139,205.28/x
  3. Step 3: Cross multiply
    246,630.72x = 340,351.56 × 139,205.28
  4. Step 4: Simplify right side
    246,630.72x = 47,378,734,208.24
  5. Step 5: Solve for x
    x = 47,378,734,208.24/246,630.72
  6. Step 6: Final answer
    x = 192,103.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.