Finding the Fourth Proportional to 107,448.12, 161,197.40 and 105,662.99
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Solution
The fourth proportional to 107,448.12, 161,197.40 and 105,662.99 is: 158,519.27
Step by Step Solution
- Step 1: Write the proportion equation
107,448.12 : 161,197.40 = 105,662.99 : x - Step 2: Convert to fraction form
107,448.12/161,197.40 = 105,662.99/x - Step 3: Cross multiply
107,448.12x = 161,197.40 × 105,662.99 - Step 4: Simplify right side
107,448.12x = 17,032,598,294.83 - Step 5: Solve for x
x = 17,032,598,294.83/107,448.12 - Step 6: Final answer
x = 158,519.27
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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.