Finding the Fourth Proportional to 146,589.75, 202,293.86 and 79,521.75
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Solution
The fourth proportional to 146,589.75, 202,293.86 and 79,521.75 is: 109,740.02
Step by Step Solution
- Step 1: Write the proportion equation
146,589.75 : 202,293.86 = 79,521.75 : x - Step 2: Convert to fraction form
146,589.75/202,293.86 = 79,521.75/x - Step 3: Cross multiply
146,589.75x = 202,293.86 × 79,521.75 - Step 4: Simplify right side
146,589.75x = 16,086,761,363.85 - Step 5: Solve for x
x = 16,086,761,363.85/146,589.75 - Step 6: Final answer
x = 109,740.02
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1.5x scale
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.