Finding the Fourth Proportional to 146,670.75, 202,405.65 and 79,602.75
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Solution
The fourth proportional to 146,670.75, 202,405.65 and 79,602.75 is: 109,851.80
Step by Step Solution
- Step 1: Write the proportion equation
146,670.75 : 202,405.65 = 79,602.75 : x - Step 2: Convert to fraction form
146,670.75/202,405.65 = 79,602.75/x - Step 3: Cross multiply
146,670.75x = 202,405.65 × 79,602.75 - Step 4: Simplify right side
146,670.75x = 16,112,046,355.54 - Step 5: Solve for x
x = 16,112,046,355.54/146,670.75 - Step 6: Final answer
x = 109,851.80
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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.