Home / 246,500.20-340,162.44-139,068.80

Finding the Fourth Proportional to 246,500.20, 340,162.44 and 139,068.80

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Solution

The fourth proportional to 246,500.20, 340,162.44 and 139,068.80 is: 191,910.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,500.20 : 340,162.44 = 139,068.80 : x
  2. Step 2: Convert to fraction form
    246,500.20/340,162.44 = 139,068.80/x
  3. Step 3: Cross multiply
    246,500.20x = 340,162.44 × 139,068.80
  4. Step 4: Simplify right side
    246,500.20x = 47,305,982,335.87
  5. Step 5: Solve for x
    x = 47,305,982,335.87/246,500.20
  6. Step 6: Final answer
    x = 191,910.52

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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.