Home / 246,620.22-340,337.07-139,194.78

Finding the Fourth Proportional to 246,620.22, 340,337.07 and 139,194.78

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Solution

The fourth proportional to 246,620.22, 340,337.07 and 139,194.78 is: 192,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,620.22 : 340,337.07 = 139,194.78 : x
  2. Step 2: Convert to fraction form
    246,620.22/340,337.07 = 139,194.78/x
  3. Step 3: Cross multiply
    246,620.22x = 340,337.07 × 139,194.78
  4. Step 4: Simplify right side
    246,620.22x = 47,373,143,584.49
  5. Step 5: Solve for x
    x = 47,373,143,584.49/246,620.22
  6. Step 6: Final answer
    x = 192,089.45

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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.