Finding the Fourth Proportional to 128,534.80, 192,571.80 and 110,102.80
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Solution
The fourth proportional to 128,534.80, 192,571.80 and 110,102.80 is: 164,956.84
Step by Step Solution
- Step 1: Write the proportion equation
128,534.80 : 192,571.80 = 110,102.80 : x - Step 2: Convert to fraction form
128,534.80/192,571.80 = 110,102.80/x - Step 3: Cross multiply
128,534.80x = 192,571.80 × 110,102.80 - Step 4: Simplify right side
128,534.80x = 21,202,694,381.04 - Step 5: Solve for x
x = 21,202,694,381.04/128,534.80 - Step 6: Final answer
x = 164,956.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.