Finding the Fourth Proportional to 106,006.62, 146,228.22 and 66,193.50
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Solution
The fourth proportional to 106,006.62, 146,228.22 and 66,193.50 is: 91,308.99
Step by Step Solution
- Step 1: Write the proportion equation
106,006.62 : 146,228.22 = 66,193.50 : x - Step 2: Convert to fraction form
106,006.62/146,228.22 = 66,193.50/x - Step 3: Cross multiply
106,006.62x = 146,228.22 × 66,193.50 - Step 4: Simplify right side
106,006.62x = 9,679,357,680.57 - Step 5: Solve for x
x = 9,679,357,680.57/106,006.62 - Step 6: Final answer
x = 91,308.99
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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.