Home / 451,976.16-677,969.04-136,435.68

Finding the Fourth Proportional to 451,976.16, 677,969.04 and 136,435.68

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Solution

The fourth proportional to 451,976.16, 677,969.04 and 136,435.68 is: 204,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,976.16 : 677,969.04 = 136,435.68 : x
  2. Step 2: Convert to fraction form
    451,976.16/677,969.04 = 136,435.68/x
  3. Step 3: Cross multiply
    451,976.16x = 677,969.04 × 136,435.68
  4. Step 4: Simplify right side
    451,976.16x = 92,499,166,991.35
  5. Step 5: Solve for x
    x = 92,499,166,991.35/451,976.16
  6. Step 6: Final answer
    x = 204,654.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.