Finding the Fourth Proportional to 134,883.17, 186,137.73 and 74,453.80
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Solution
The fourth proportional to 134,883.17, 186,137.73 and 74,453.80 is: 102,745.66
Step by Step Solution
- Step 1: Write the proportion equation
134,883.17 : 186,137.73 = 74,453.80 : x - Step 2: Convert to fraction form
134,883.17/186,137.73 = 74,453.80/x - Step 3: Cross multiply
134,883.17x = 186,137.73 × 74,453.80 - Step 4: Simplify right side
134,883.17x = 13,858,661,205.54 - Step 5: Solve for x
x = 13,858,661,205.54/134,883.17 - Step 6: Final answer
x = 102,745.66
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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.