Finding the Fourth Proportional to 126,868.06, 175,088.60 and 70,284.70
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Solution
The fourth proportional to 126,868.06, 175,088.60 and 70,284.70 is: 96,998.80
Step by Step Solution
- Step 1: Write the proportion equation
126,868.06 : 175,088.60 = 70,284.70 : x - Step 2: Convert to fraction form
126,868.06/175,088.60 = 70,284.70/x - Step 3: Cross multiply
126,868.06x = 175,088.60 × 70,284.70 - Step 4: Simplify right side
126,868.06x = 12,306,049,724.42 - Step 5: Solve for x
x = 12,306,049,724.42/126,868.06 - Step 6: Final answer
x = 96,998.80
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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.