Finding the Fourth Proportional to 107,860.62, 161,805.51 and 101,299.62
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Solution
The fourth proportional to 107,860.62, 161,805.51 and 101,299.62 is: 151,963.12
Step by Step Solution
- Step 1: Write the proportion equation
107,860.62 : 161,805.51 = 101,299.62 : x - Step 2: Convert to fraction form
107,860.62/161,805.51 = 101,299.62/x - Step 3: Cross multiply
107,860.62x = 161,805.51 × 101,299.62 - Step 4: Simplify right side
107,860.62x = 16,390,836,676.91 - Step 5: Solve for x
x = 16,390,836,676.91/107,860.62 - Step 6: Final answer
x = 151,963.12
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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.