Finding the Fourth Proportional to 129,614.04, 194,422.68 and 36,114.12
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Solution
The fourth proportional to 129,614.04, 194,422.68 and 36,114.12 is: 54,171.63
Step by Step Solution
- Step 1: Write the proportion equation
129,614.04 : 194,422.68 = 36,114.12 : x - Step 2: Convert to fraction form
129,614.04/194,422.68 = 36,114.12/x - Step 3: Cross multiply
129,614.04x = 194,422.68 × 36,114.12 - Step 4: Simplify right side
129,614.04x = 7,021,403,996.24 - Step 5: Solve for x
x = 7,021,403,996.24/129,614.04 - Step 6: Final answer
x = 54,171.63
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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.