Finding the Fourth Proportional to 111,301.65, 166,972.95 and 36,425.99
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Solution
The fourth proportional to 111,301.65, 166,972.95 and 36,425.99 is: 54,645.68
Step by Step Solution
- Step 1: Write the proportion equation
111,301.65 : 166,972.95 = 36,425.99 : x - Step 2: Convert to fraction form
111,301.65/166,972.95 = 36,425.99/x - Step 3: Cross multiply
111,301.65x = 166,972.95 × 36,425.99 - Step 4: Simplify right side
111,301.65x = 6,082,154,172.11 - Step 5: Solve for x
x = 6,082,154,172.11/111,301.65 - Step 6: Final answer
x = 54,645.68
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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.