Finding the Fourth Proportional to 106,049.64, 159,075.68 and 27,161.76
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Solution
The fourth proportional to 106,049.64, 159,075.68 and 27,161.76 is: 40,742.95
Step by Step Solution
- Step 1: Write the proportion equation
106,049.64 : 159,075.68 = 27,161.76 : x - Step 2: Convert to fraction form
106,049.64/159,075.68 = 27,161.76/x - Step 3: Cross multiply
106,049.64x = 159,075.68 × 27,161.76 - Step 4: Simplify right side
106,049.64x = 4,320,775,442.00 - Step 5: Solve for x
x = 4,320,775,442.00/106,049.64 - Step 6: Final answer
x = 40,742.95
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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.