Finding the Fourth Proportional to 136,207.63, 204,370.20 and 51,993.08
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Solution
The fourth proportional to 136,207.63, 204,370.20 and 51,993.08 is: 78,012.05
Step by Step Solution
- Step 1: Write the proportion equation
136,207.63 : 204,370.20 = 51,993.08 : x - Step 2: Convert to fraction form
136,207.63/204,370.20 = 51,993.08/x - Step 3: Cross multiply
136,207.63x = 204,370.20 × 51,993.08 - Step 4: Simplify right side
136,207.63x = 10,625,836,158.22 - Step 5: Solve for x
x = 10,625,836,158.22/136,207.63 - Step 6: Final answer
x = 78,012.05
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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.