Home / 144,185.04-198,973.26-80,523.72

Finding the Fourth Proportional to 144,185.04, 198,973.26 and 80,523.72

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Solution

The fourth proportional to 144,185.04, 198,973.26 and 80,523.72 is: 111,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,185.04 : 198,973.26 = 80,523.72 : x
  2. Step 2: Convert to fraction form
    144,185.04/198,973.26 = 80,523.72/x
  3. Step 3: Cross multiply
    144,185.04x = 198,973.26 × 80,523.72
  4. Step 4: Simplify right side
    144,185.04x = 16,022,067,075.73
  5. Step 5: Solve for x
    x = 16,022,067,075.73/144,185.04
  6. Step 6: Final answer
    x = 111,121.56

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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.