Home / 199,075.47-274,721.83-108,431.16

Finding the Fourth Proportional to 199,075.47, 274,721.83 and 108,431.16

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Solution

The fourth proportional to 199,075.47, 274,721.83 and 108,431.16 is: 149,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,075.47 : 274,721.83 = 108,431.16 : x
  2. Step 2: Convert to fraction form
    199,075.47/274,721.83 = 108,431.16/x
  3. Step 3: Cross multiply
    199,075.47x = 274,721.83 × 108,431.16
  4. Step 4: Simplify right side
    199,075.47x = 29,788,405,402.94
  5. Step 5: Solve for x
    x = 29,788,405,402.94/199,075.47
  6. Step 6: Final answer
    x = 149,633.73

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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.