Finding the Fourth Proportional to 110,186.24, 151,843.80 and 74,313.96
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Solution
The fourth proportional to 110,186.24, 151,843.80 and 74,313.96 is: 102,409.47
Step by Step Solution
- Step 1: Write the proportion equation
110,186.24 : 151,843.80 = 74,313.96 : x - Step 2: Convert to fraction form
110,186.24/151,843.80 = 74,313.96/x - Step 3: Cross multiply
110,186.24x = 151,843.80 × 74,313.96 - Step 4: Simplify right side
110,186.24x = 11,284,114,079.45 - Step 5: Solve for x
x = 11,284,114,079.45/110,186.24 - Step 6: Final answer
x = 102,409.47
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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.