Finding the Fourth Proportional to 126,837.62, 190,118.87 and 63,505.01
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Solution
The fourth proportional to 126,837.62, 190,118.87 and 63,505.01 is: 95,188.65
Step by Step Solution
- Step 1: Write the proportion equation
126,837.62 : 190,118.87 = 63,505.01 : x - Step 2: Convert to fraction form
126,837.62/190,118.87 = 63,505.01/x - Step 3: Cross multiply
126,837.62x = 190,118.87 × 63,505.01 - Step 4: Simplify right side
126,837.62x = 12,073,501,136.45 - Step 5: Solve for x
x = 12,073,501,136.45/126,837.62 - Step 6: Final answer
x = 95,188.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.