Finding the Fourth Proportional to 146,805.66, 202,682.79 and 131,671.62
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Solution
The fourth proportional to 146,805.66, 202,682.79 and 131,671.62 is: 181,788.44
Step by Step Solution
- Step 1: Write the proportion equation
146,805.66 : 202,682.79 = 131,671.62 : x - Step 2: Convert to fraction form
146,805.66/202,682.79 = 131,671.62/x - Step 3: Cross multiply
146,805.66x = 202,682.79 × 131,671.62 - Step 4: Simplify right side
146,805.66x = 26,687,571,305.42 - Step 5: Solve for x
x = 26,687,571,305.42/146,805.66 - Step 6: Final answer
x = 181,788.44
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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.