Finding the Fourth Proportional to 132,613.63, 182,975.02 and 78,167.99
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Solution
The fourth proportional to 132,613.63, 182,975.02 and 78,167.99 is: 107,853.09
Step by Step Solution
- Step 1: Write the proportion equation
132,613.63 : 182,975.02 = 78,167.99 : x - Step 2: Convert to fraction form
132,613.63/182,975.02 = 78,167.99/x - Step 3: Cross multiply
132,613.63x = 182,975.02 × 78,167.99 - Step 4: Simplify right side
132,613.63x = 14,302,789,795.63 - Step 5: Solve for x
x = 14,302,789,795.63/132,613.63 - Step 6: Final answer
x = 107,853.09
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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.