Finding the Fourth Proportional to 108,631.44, 162,736.98 and 61,102.14
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Solution
The fourth proportional to 108,631.44, 162,736.98 and 61,102.14 is: 91,534.99
Step by Step Solution
- Step 1: Write the proportion equation
108,631.44 : 162,736.98 = 61,102.14 : x - Step 2: Convert to fraction form
108,631.44/162,736.98 = 61,102.14/x - Step 3: Cross multiply
108,631.44x = 162,736.98 × 61,102.14 - Step 4: Simplify right side
108,631.44x = 9,943,577,735.14 - Step 5: Solve for x
x = 9,943,577,735.14/108,631.44 - Step 6: Final answer
x = 91,534.99
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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.