Finding the Fourth Proportional to 120,552.70, 166,329.12 and 94,979.84
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Solution
The fourth proportional to 120,552.70, 166,329.12 and 94,979.84 is: 131,045.70
Step by Step Solution
- Step 1: Write the proportion equation
120,552.70 : 166,329.12 = 94,979.84 : x - Step 2: Convert to fraction form
120,552.70/166,329.12 = 94,979.84/x - Step 3: Cross multiply
120,552.70x = 166,329.12 × 94,979.84 - Step 4: Simplify right side
120,552.70x = 15,797,912,373.30 - Step 5: Solve for x
x = 15,797,912,373.30/120,552.70 - Step 6: Final answer
x = 131,045.70
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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.