Finding the Fourth Proportional to 112,310.27, 155,152.13 and 97,176.66
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Solution
The fourth proportional to 112,310.27, 155,152.13 and 97,176.66 is: 134,245.65
Step by Step Solution
- Step 1: Write the proportion equation
112,310.27 : 155,152.13 = 97,176.66 : x - Step 2: Convert to fraction form
112,310.27/155,152.13 = 97,176.66/x - Step 3: Cross multiply
112,310.27x = 155,152.13 × 97,176.66 - Step 4: Simplify right side
112,310.27x = 15,077,166,028.23 - Step 5: Solve for x
x = 15,077,166,028.23/112,310.27 - Step 6: Final answer
x = 134,245.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.