Home / 199,653.09-275,514.03-109,007.39

Finding the Fourth Proportional to 199,653.09, 275,514.03 and 109,007.39

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Solution

The fourth proportional to 199,653.09, 275,514.03 and 109,007.39 is: 150,426.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,653.09 : 275,514.03 = 109,007.39 : x
  2. Step 2: Convert to fraction form
    199,653.09/275,514.03 = 109,007.39/x
  3. Step 3: Cross multiply
    199,653.09x = 275,514.03 × 109,007.39
  4. Step 4: Simplify right side
    199,653.09x = 30,033,063,941.11
  5. Step 5: Solve for x
    x = 30,033,063,941.11/199,653.09
  6. Step 6: Final answer
    x = 150,426.24

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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.