Finding the Fourth Proportional to 136,035.36, 187,716.84 and 75,602.20
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Solution
The fourth proportional to 136,035.36, 187,716.84 and 75,602.20 is: 104,324.39
Step by Step Solution
- Step 1: Write the proportion equation
136,035.36 : 187,716.84 = 75,602.20 : x - Step 2: Convert to fraction form
136,035.36/187,716.84 = 75,602.20/x - Step 3: Cross multiply
136,035.36x = 187,716.84 × 75,602.20 - Step 4: Simplify right side
136,035.36x = 14,191,806,081.05 - Step 5: Solve for x
x = 14,191,806,081.05/136,035.36 - Step 6: Final answer
x = 104,324.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.