Finding the Fourth Proportional to 113,810.36, 170,631.18 and 54,589.64
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Solution
The fourth proportional to 113,810.36, 170,631.18 and 54,589.64 is: 81,843.99
Step by Step Solution
- Step 1: Write the proportion equation
113,810.36 : 170,631.18 = 54,589.64 : x - Step 2: Convert to fraction form
113,810.36/170,631.18 = 54,589.64/x - Step 3: Cross multiply
113,810.36x = 170,631.18 × 54,589.64 - Step 4: Simplify right side
113,810.36x = 9,314,693,835.82 - Step 5: Solve for x
x = 9,314,693,835.82/113,810.36 - Step 6: Final answer
x = 81,843.99
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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.