Finding the Fourth Proportional to 102,054.97, 153,082.08 and 27,175.12
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Solution
The fourth proportional to 102,054.97, 153,082.08 and 27,175.12 is: 40,762.58
Step by Step Solution
- Step 1: Write the proportion equation
102,054.97 : 153,082.08 = 27,175.12 : x - Step 2: Convert to fraction form
102,054.97/153,082.08 = 27,175.12/x - Step 3: Cross multiply
102,054.97x = 153,082.08 × 27,175.12 - Step 4: Simplify right side
102,054.97x = 4,160,023,893.85 - Step 5: Solve for x
x = 4,160,023,893.85/102,054.97 - Step 6: Final answer
x = 40,762.58
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1.5x scale
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.