Home / 199,075.66-274,714.94-108,431.19

Finding the Fourth Proportional to 199,075.66, 274,714.94 and 108,431.19

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Solution

The fourth proportional to 199,075.66, 274,714.94 and 108,431.19 is: 149,629.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,075.66 : 274,714.94 = 108,431.19 : x
  2. Step 2: Convert to fraction form
    199,075.66/274,714.94 = 108,431.19/x
  3. Step 3: Cross multiply
    199,075.66x = 274,714.94 × 108,431.19
  4. Step 4: Simplify right side
    199,075.66x = 29,787,668,126.06
  5. Step 5: Solve for x
    x = 29,787,668,126.06/199,075.66
  6. Step 6: Final answer
    x = 149,629.89

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1.5x scale

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.