Home / 136,634.31-205,029.23-109,107.27

Finding the Fourth Proportional to 136,634.31, 205,029.23 and 109,107.27

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Solution

The fourth proportional to 136,634.31, 205,029.23 and 109,107.27 is: 163,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,634.31 : 205,029.23 = 109,107.27 : x
  2. Step 2: Convert to fraction form
    136,634.31/205,029.23 = 109,107.27/x
  3. Step 3: Cross multiply
    136,634.31x = 205,029.23 × 109,107.27
  4. Step 4: Simplify right side
    136,634.31x = 22,370,179,009.97
  5. Step 5: Solve for x
    x = 22,370,179,009.97/136,634.31
  6. Step 6: Final answer
    x = 163,723.00

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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.