Home / 246,629.22-340,349.49-139,203.78

Finding the Fourth Proportional to 246,629.22, 340,349.49 and 139,203.78

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Solution

The fourth proportional to 246,629.22, 340,349.49 and 139,203.78 is: 192,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,629.22 : 340,349.49 = 139,203.78 : x
  2. Step 2: Convert to fraction form
    246,629.22/340,349.49 = 139,203.78/x
  3. Step 3: Cross multiply
    246,629.22x = 340,349.49 × 139,203.78
  4. Step 4: Simplify right side
    246,629.22x = 47,377,935,529.07
  5. Step 5: Solve for x
    x = 47,377,935,529.07/246,629.22
  6. Step 6: Final answer
    x = 192,101.87

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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.