Finding the Fourth Proportional to 111,394.99, 167,136.23 and 49,021.75
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Solution
The fourth proportional to 111,394.99, 167,136.23 and 49,021.75 is: 73,551.88
Step by Step Solution
- Step 1: Write the proportion equation
111,394.99 : 167,136.23 = 49,021.75 : x - Step 2: Convert to fraction form
111,394.99/167,136.23 = 49,021.75/x - Step 3: Cross multiply
111,394.99x = 167,136.23 × 49,021.75 - Step 4: Simplify right side
111,394.99x = 8,193,310,483.00 - Step 5: Solve for x
x = 8,193,310,483.00/111,394.99 - Step 6: Final answer
x = 73,551.88
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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.