Finding the Fourth Proportional to 146,886.75, 202,703.72 and 79,818.75
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Solution
The fourth proportional to 146,886.75, 202,703.72 and 79,818.75 is: 110,149.88
Step by Step Solution
- Step 1: Write the proportion equation
146,886.75 : 202,703.72 = 79,818.75 : x - Step 2: Convert to fraction form
146,886.75/202,703.72 = 79,818.75/x - Step 3: Cross multiply
146,886.75x = 202,703.72 × 79,818.75 - Step 4: Simplify right side
146,886.75x = 16,179,557,151.66 - Step 5: Solve for x
x = 16,179,557,151.66/146,886.75 - Step 6: Final answer
x = 110,149.88
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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.