Home / 246,555.64-340,228-139,135.68

Finding the Fourth Proportional to 246,555.64, 340,228 and 139,135.68

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Solution

The fourth proportional to 246,555.64, 340,228 and 139,135.68 is: 191,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,555.64 : 340,228 = 139,135.68 : x
  2. Step 2: Convert to fraction form
    246,555.64/340,228 = 139,135.68/x
  3. Step 3: Cross multiply
    246,555.64x = 340,228 × 139,135.68
  4. Step 4: Simplify right side
    246,555.64x = 47,337,854,135.04
  5. Step 5: Solve for x
    x = 47,337,854,135.04/246,555.64
  6. Step 6: Final answer
    x = 191,996.64

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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.