Finding the Fourth Proportional to 135,183.23, 186,554.07 and 74,757.94
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Solution
The fourth proportional to 135,183.23, 186,554.07 and 74,757.94 is: 103,166.63
Step by Step Solution
- Step 1: Write the proportion equation
135,183.23 : 186,554.07 = 74,757.94 : x - Step 2: Convert to fraction form
135,183.23/186,554.07 = 74,757.94/x - Step 3: Cross multiply
135,183.23x = 186,554.07 × 74,757.94 - Step 4: Simplify right side
135,183.23x = 13,946,397,784.92 - Step 5: Solve for x
x = 13,946,397,784.92/135,183.23 - Step 6: Final answer
x = 103,166.63
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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.