Home / 199,932.63-275,907-109,288.95

Finding the Fourth Proportional to 199,932.63, 275,907 and 109,288.95

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Solution

The fourth proportional to 199,932.63, 275,907 and 109,288.95 is: 150,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,932.63 : 275,907 = 109,288.95 : x
  2. Step 2: Convert to fraction form
    199,932.63/275,907 = 109,288.95/x
  3. Step 3: Cross multiply
    199,932.63x = 275,907 × 109,288.95
  4. Step 4: Simplify right side
    199,932.63x = 30,153,586,327.65
  5. Step 5: Solve for x
    x = 30,153,586,327.65/199,932.63
  6. Step 6: Final answer
    x = 150,818.73

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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.