Finding the Fourth Proportional to 107,395.75, 161,094.07 and 36,318.75
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Solution
The fourth proportional to 107,395.75, 161,094.07 and 36,318.75 is: 54,478.28
Step by Step Solution
- Step 1: Write the proportion equation
107,395.75 : 161,094.07 = 36,318.75 : x - Step 2: Convert to fraction form
107,395.75/161,094.07 = 36,318.75/x - Step 3: Cross multiply
107,395.75x = 161,094.07 × 36,318.75 - Step 4: Simplify right side
107,395.75x = 5,850,735,851.05 - Step 5: Solve for x
x = 5,850,735,851.05/107,395.75 - Step 6: Final answer
x = 54,478.28
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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.