Finding the Fourth Proportional to 126,642.62, 175,566.04 and 119,901.26
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Solution
The fourth proportional to 126,642.62, 175,566.04 and 119,901.26 is: 166,220.42
Step by Step Solution
- Step 1: Write the proportion equation
126,642.62 : 175,566.04 = 119,901.26 : x - Step 2: Convert to fraction form
126,642.62/175,566.04 = 119,901.26/x - Step 3: Cross multiply
126,642.62x = 175,566.04 × 119,901.26 - Step 4: Simplify right side
126,642.62x = 21,050,589,409.21 - Step 5: Solve for x
x = 21,050,589,409.21/126,642.62 - Step 6: Final answer
x = 166,220.42
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.