Home / 140,950.80-194,513.52-80,529.36

Finding the Fourth Proportional to 140,950.80, 194,513.52 and 80,529.36

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Solution

The fourth proportional to 140,950.80, 194,513.52 and 80,529.36 is: 111,131.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,950.80 : 194,513.52 = 80,529.36 : x
  2. Step 2: Convert to fraction form
    140,950.80/194,513.52 = 80,529.36/x
  3. Step 3: Cross multiply
    140,950.80x = 194,513.52 × 80,529.36
  4. Step 4: Simplify right side
    140,950.80x = 15,664,049,276.95
  5. Step 5: Solve for x
    x = 15,664,049,276.95/140,950.80
  6. Step 6: Final answer
    x = 111,131.33

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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.