Finding the Fourth Proportional to 131,213.99, 195,797.18 and 117,076.79
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Solution
The fourth proportional to 131,213.99, 195,797.18 and 117,076.79 is: 174,701.68
Step by Step Solution
- Step 1: Write the proportion equation
131,213.99 : 195,797.18 = 117,076.79 : x - Step 2: Convert to fraction form
131,213.99/195,797.18 = 117,076.79/x - Step 3: Cross multiply
131,213.99x = 195,797.18 × 117,076.79 - Step 4: Simplify right side
131,213.99x = 22,923,303,761.08 - Step 5: Solve for x
x = 22,923,303,761.08/131,213.99 - Step 6: Final answer
x = 174,701.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.