Finding the Fourth Proportional to 136,052.20, 204,110.70 and 57,125.80
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Solution
The fourth proportional to 136,052.20, 204,110.70 and 57,125.80 is: 85,702.30
Step by Step Solution
- Step 1: Write the proportion equation
136,052.20 : 204,110.70 = 57,125.80 : x - Step 2: Convert to fraction form
136,052.20/204,110.70 = 57,125.80/x - Step 3: Cross multiply
136,052.20x = 204,110.70 × 57,125.80 - Step 4: Simplify right side
136,052.20x = 11,659,987,026.06 - Step 5: Solve for x
x = 11,659,987,026.06/136,052.20 - Step 6: Final answer
x = 85,702.30
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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.