Finding the Fourth Proportional to 102,589.93, 153,939.07 and 72,796.68
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Solution
The fourth proportional to 102,589.93, 153,939.07 and 72,796.68 is: 109,233.46
Step by Step Solution
- Step 1: Write the proportion equation
102,589.93 : 153,939.07 = 72,796.68 : x - Step 2: Convert to fraction form
102,589.93/153,939.07 = 72,796.68/x - Step 3: Cross multiply
102,589.93x = 153,939.07 × 72,796.68 - Step 4: Simplify right side
102,589.93x = 11,206,253,218.29 - Step 5: Solve for x
x = 11,206,253,218.29/102,589.93 - Step 6: Final answer
x = 109,233.46
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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.