Finding the Fourth Proportional to 146,876.63, 202,691.03 and 79,808.63
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Solution
The fourth proportional to 146,876.63, 202,691.03 and 79,808.63 is: 110,136.60
Step by Step Solution
- Step 1: Write the proportion equation
146,876.63 : 202,691.03 = 79,808.63 : x - Step 2: Convert to fraction form
146,876.63/202,691.03 = 79,808.63/x - Step 3: Cross multiply
146,876.63x = 202,691.03 × 79,808.63 - Step 4: Simplify right side
146,876.63x = 16,176,492,005.09 - Step 5: Solve for x
x = 16,176,492,005.09/146,876.63 - Step 6: Final answer
x = 110,136.60
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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.