Finding the Fourth Proportional to 146,466.30, 202,115.36 and 81,923.07
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Solution
The fourth proportional to 146,466.30, 202,115.36 and 81,923.07 is: 113,049.29
Step by Step Solution
- Step 1: Write the proportion equation
146,466.30 : 202,115.36 = 81,923.07 : x - Step 2: Convert to fraction form
146,466.30/202,115.36 = 81,923.07/x - Step 3: Cross multiply
146,466.30x = 202,115.36 × 81,923.07 - Step 4: Simplify right side
146,466.30x = 16,557,911,748.10 - Step 5: Solve for x
x = 16,557,911,748.10/146,466.30 - Step 6: Final answer
x = 113,049.29
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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.