Finding the Fourth Proportional to 146,194.99, 201,743.38 and 91,776.42
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Solution
The fourth proportional to 146,194.99, 201,743.38 and 91,776.42 is: 126,647.88
Step by Step Solution
- Step 1: Write the proportion equation
146,194.99 : 201,743.38 = 91,776.42 : x - Step 2: Convert to fraction form
146,194.99/201,743.38 = 91,776.42/x - Step 3: Cross multiply
146,194.99x = 201,743.38 × 91,776.42 - Step 4: Simplify right side
146,194.99x = 18,515,285,175.10 - Step 5: Solve for x
x = 18,515,285,175.10/146,194.99 - Step 6: Final answer
x = 126,647.88
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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.