Finding the Fourth Proportional to 122,182.43, 168,609.02 and 71,191.99
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Solution
The fourth proportional to 122,182.43, 168,609.02 and 71,191.99 is: 98,243.35
Step by Step Solution
- Step 1: Write the proportion equation
122,182.43 : 168,609.02 = 71,191.99 : x - Step 2: Convert to fraction form
122,182.43/168,609.02 = 71,191.99/x - Step 3: Cross multiply
122,182.43x = 168,609.02 × 71,191.99 - Step 4: Simplify right side
122,182.43x = 12,003,611,665.75 - Step 5: Solve for x
x = 12,003,611,665.75/122,182.43 - Step 6: Final answer
x = 98,243.35
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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.