Home / 54,186.54-81,287.57-16,749.87

Finding the Fourth Proportional to 54,186.54, 81,287.57 and 16,749.87

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Solution

The fourth proportional to 54,186.54, 81,287.57 and 16,749.87 is: 25,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,186.54 : 81,287.57 = 16,749.87 : x
  2. Step 2: Convert to fraction form
    54,186.54/81,287.57 = 16,749.87/x
  3. Step 3: Cross multiply
    54,186.54x = 81,287.57 × 16,749.87
  4. Step 4: Simplify right side
    54,186.54x = 1,361,556,230.12
  5. Step 5: Solve for x
    x = 1,361,556,230.12/54,186.54
  6. Step 6: Final answer
    x = 25,127.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.