Home / 199,080.90-274,788.09-131,147.46

Finding the Fourth Proportional to 199,080.90, 274,788.09 and 131,147.46

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Solution

The fourth proportional to 199,080.90, 274,788.09 and 131,147.46 is: 181,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,080.90 : 274,788.09 = 131,147.46 : x
  2. Step 2: Convert to fraction form
    199,080.90/274,788.09 = 131,147.46/x
  3. Step 3: Cross multiply
    199,080.90x = 274,788.09 × 131,147.46
  4. Step 4: Simplify right side
    199,080.90x = 36,037,760,041.75
  5. Step 5: Solve for x
    x = 36,037,760,041.75/199,080.90
  6. Step 6: Final answer
    x = 181,020.68

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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.