Finding the Fourth Proportional to 136,119.60, 203,790.60 and 122,122.80
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Solution
The fourth proportional to 136,119.60, 203,790.60 and 122,122.80 is: 182,835.38
Step by Step Solution
- Step 1: Write the proportion equation
136,119.60 : 203,790.60 = 122,122.80 : x - Step 2: Convert to fraction form
136,119.60/203,790.60 = 122,122.80/x - Step 3: Cross multiply
136,119.60x = 203,790.60 × 122,122.80 - Step 4: Simplify right side
136,119.60x = 24,887,478,685.68 - Step 5: Solve for x
x = 24,887,478,685.68/136,119.60 - Step 6: Final answer
x = 182,835.38
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1.5x scale
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.