Home / 199,012.49-274,633.29-108,369.53

Finding the Fourth Proportional to 199,012.49, 274,633.29 and 108,369.53

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Solution

The fourth proportional to 199,012.49, 274,633.29 and 108,369.53 is: 149,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,012.49 : 274,633.29 = 108,369.53 : x
  2. Step 2: Convert to fraction form
    199,012.49/274,633.29 = 108,369.53/x
  3. Step 3: Cross multiply
    199,012.49x = 274,633.29 × 108,369.53
  4. Step 4: Simplify right side
    199,012.49x = 29,761,880,559.65
  5. Step 5: Solve for x
    x = 29,761,880,559.65/199,012.49
  6. Step 6: Final answer
    x = 149,547.80

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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.