Finding the Fourth Proportional to 146,183.14, 201,732.76 and 79,115.14
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Solution
The fourth proportional to 146,183.14, 201,732.76 and 79,115.14 is: 109,178.91
Step by Step Solution
- Step 1: Write the proportion equation
146,183.14 : 201,732.76 = 79,115.14 : x - Step 2: Convert to fraction form
146,183.14/201,732.76 = 79,115.14/x - Step 3: Cross multiply
146,183.14x = 201,732.76 × 79,115.14 - Step 4: Simplify right side
146,183.14x = 15,960,115,549.99 - Step 5: Solve for x
x = 15,960,115,549.99/146,183.14 - Step 6: Final answer
x = 109,178.91
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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.