Finding the Fourth Proportional to 136,727.70, 205,091.55 and 124,261.80
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Solution
The fourth proportional to 136,727.70, 205,091.55 and 124,261.80 is: 186,392.70
Step by Step Solution
- Step 1: Write the proportion equation
136,727.70 : 205,091.55 = 124,261.80 : x - Step 2: Convert to fraction form
136,727.70/205,091.55 = 124,261.80/x - Step 3: Cross multiply
136,727.70x = 205,091.55 × 124,261.80 - Step 4: Simplify right side
136,727.70x = 25,485,045,167.79 - Step 5: Solve for x
x = 25,485,045,167.79/136,727.70 - Step 6: Final answer
x = 186,392.70
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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.