Finding the Fourth Proportional to 136,284.44, 187,911.60 and 93,284.66
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Solution
The fourth proportional to 136,284.44, 187,911.60 and 93,284.66 is: 128,622.68
Step by Step Solution
- Step 1: Write the proportion equation
136,284.44 : 187,911.60 = 93,284.66 : x - Step 2: Convert to fraction form
136,284.44/187,911.60 = 93,284.66/x - Step 3: Cross multiply
136,284.44x = 187,911.60 × 93,284.66 - Step 4: Simplify right side
136,284.44x = 17,529,269,716.06 - Step 5: Solve for x
x = 17,529,269,716.06/136,284.44 - Step 6: Final answer
x = 128,622.68
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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.