Finding the Fourth Proportional to 146,437.92, 202,105.92 and 92,727.84
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Solution
The fourth proportional to 146,437.92, 202,105.92 and 92,727.84 is: 127,978.09
Step by Step Solution
- Step 1: Write the proportion equation
146,437.92 : 202,105.92 = 92,727.84 : x - Step 2: Convert to fraction form
146,437.92/202,105.92 = 92,727.84/x - Step 3: Cross multiply
146,437.92x = 202,105.92 × 92,727.84 - Step 4: Simplify right side
146,437.92x = 18,740,845,412.81 - Step 5: Solve for x
x = 18,740,845,412.81/146,437.92 - Step 6: Final answer
x = 127,978.09
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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.