Finding the Fourth Proportional to 107,974.36, 161,891.34 and 44,777.08
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Solution
The fourth proportional to 107,974.36, 161,891.34 and 44,777.08 is: 67,136.51
Step by Step Solution
- Step 1: Write the proportion equation
107,974.36 : 161,891.34 = 44,777.08 : x - Step 2: Convert to fraction form
107,974.36/161,891.34 = 44,777.08/x - Step 3: Cross multiply
107,974.36x = 161,891.34 × 44,777.08 - Step 4: Simplify right side
107,974.36x = 7,249,021,482.49 - Step 5: Solve for x
x = 7,249,021,482.49/107,974.36 - Step 6: Final answer
x = 67,136.51
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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.