Finding the Fourth Proportional to 144,690.48, 199,674.25 and 80,161.09
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Solution
The fourth proportional to 144,690.48, 199,674.25 and 80,161.09 is: 110,623.07
Step by Step Solution
- Step 1: Write the proportion equation
144,690.48 : 199,674.25 = 80,161.09 : x - Step 2: Convert to fraction form
144,690.48/199,674.25 = 80,161.09/x - Step 3: Cross multiply
144,690.48x = 199,674.25 × 80,161.09 - Step 4: Simplify right side
144,690.48x = 16,006,104,825.34 - Step 5: Solve for x
x = 16,006,104,825.34/144,690.48 - Step 6: Final answer
x = 110,623.07
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1.5x scale
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.