Finding the Fourth Proportional to 131,324.61, 197,097.12 and 68,183.49
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Solution
The fourth proportional to 131,324.61, 197,097.12 and 68,183.49 is: 102,332.45
Step by Step Solution
- Step 1: Write the proportion equation
131,324.61 : 197,097.12 = 68,183.49 : x - Step 2: Convert to fraction form
131,324.61/197,097.12 = 68,183.49/x - Step 3: Cross multiply
131,324.61x = 197,097.12 × 68,183.49 - Step 4: Simplify right side
131,324.61x = 13,438,769,510.55 - Step 5: Solve for x
x = 13,438,769,510.55/131,324.61 - Step 6: Final answer
x = 102,332.45
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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.