Finding the Fourth Proportional to 107,855.10, 160,984.17 and 101,206.62
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Solution
The fourth proportional to 107,855.10, 160,984.17 and 101,206.62 is: 151,060.67
Step by Step Solution
- Step 1: Write the proportion equation
107,855.10 : 160,984.17 = 101,206.62 : x - Step 2: Convert to fraction form
107,855.10/160,984.17 = 101,206.62/x - Step 3: Cross multiply
107,855.10x = 160,984.17 × 101,206.62 - Step 4: Simplify right side
107,855.10x = 16,292,663,719.21 - Step 5: Solve for x
x = 16,292,663,719.21/107,855.10 - Step 6: Final answer
x = 151,060.67
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.