Finding the Fourth Proportional to 131,371.18, 197,049.48 and 116,747.44
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Solution
The fourth proportional to 131,371.18, 197,049.48 and 116,747.44 is: 175,114.68
Step by Step Solution
- Step 1: Write the proportion equation
131,371.18 : 197,049.48 = 116,747.44 : x - Step 2: Convert to fraction form
131,371.18/197,049.48 = 116,747.44/x - Step 3: Cross multiply
131,371.18x = 197,049.48 × 116,747.44 - Step 4: Simplify right side
131,371.18x = 23,005,021,759.59 - Step 5: Solve for x
x = 23,005,021,759.59/131,371.18 - Step 6: Final answer
x = 175,114.68
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1.5x scale
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.