Finding the Fourth Proportional to 126,632.62, 175,552.15 and 119,891.26
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Solution
The fourth proportional to 126,632.62, 175,552.15 and 119,891.26 is: 166,206.53
Step by Step Solution
- Step 1: Write the proportion equation
126,632.62 : 175,552.15 = 119,891.26 : x - Step 2: Convert to fraction form
126,632.62/175,552.15 = 119,891.26/x - Step 3: Cross multiply
126,632.62x = 175,552.15 × 119,891.26 - Step 4: Simplify right side
126,632.62x = 21,047,168,459.21 - Step 5: Solve for x
x = 21,047,168,459.21/126,632.62 - Step 6: Final answer
x = 166,206.53
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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.