Finding the Fourth Proportional to 107,397.68, 161,139.96 and 48,192.08
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Solution
The fourth proportional to 107,397.68, 161,139.96 and 48,192.08 is: 72,307.61
Step by Step Solution
- Step 1: Write the proportion equation
107,397.68 : 161,139.96 = 48,192.08 : x - Step 2: Convert to fraction form
107,397.68/161,139.96 = 48,192.08/x - Step 3: Cross multiply
107,397.68x = 161,139.96 × 48,192.08 - Step 4: Simplify right side
107,397.68x = 7,765,669,843.52 - Step 5: Solve for x
x = 7,765,669,843.52/107,397.68 - Step 6: Final answer
x = 72,307.61
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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.