Finding the Fourth Proportional to 136,121.60, 203,793.60 and 122,124.80
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Solution
The fourth proportional to 136,121.60, 203,793.60 and 122,124.80 is: 182,838.38
Step by Step Solution
- Step 1: Write the proportion equation
136,121.60 : 203,793.60 = 122,124.80 : x - Step 2: Convert to fraction form
136,121.60/203,793.60 = 122,124.80/x - Step 3: Cross multiply
136,121.60x = 203,793.60 × 122,124.80 - Step 4: Simplify right side
136,121.60x = 24,888,252,641.28 - Step 5: Solve for x
x = 24,888,252,641.28/136,121.60 - Step 6: Final answer
x = 182,838.38
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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.