Finding the Fourth Proportional to 107,396.10, 161,094.15 and 92,305.80
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Solution
The fourth proportional to 107,396.10, 161,094.15 and 92,305.80 is: 138,458.70
Step by Step Solution
- Step 1: Write the proportion equation
107,396.10 : 161,094.15 = 92,305.80 : x - Step 2: Convert to fraction form
107,396.10/161,094.15 = 92,305.80/x - Step 3: Cross multiply
107,396.10x = 161,094.15 × 92,305.80 - Step 4: Simplify right side
107,396.10x = 14,869,924,391.07 - Step 5: Solve for x
x = 14,869,924,391.07/107,396.10 - Step 6: Final answer
x = 138,458.70
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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.