Finding the Fourth Proportional to 116,393.47, 174,245.74 and 71,877.09
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Solution
The fourth proportional to 116,393.47, 174,245.74 and 71,877.09 is: 107,602.92
Step by Step Solution
- Step 1: Write the proportion equation
116,393.47 : 174,245.74 = 71,877.09 : x - Step 2: Convert to fraction form
116,393.47/174,245.74 = 71,877.09/x - Step 3: Cross multiply
116,393.47x = 174,245.74 × 71,877.09 - Step 4: Simplify right side
116,393.47x = 12,524,276,736.10 - Step 5: Solve for x
x = 12,524,276,736.10/116,393.47 - Step 6: Final answer
x = 107,602.92
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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.