Finding the Fourth Proportional to 126,777.14, 190,271.30 and 66,827.14
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Solution
The fourth proportional to 126,777.14, 190,271.30 and 66,827.14 is: 100,296.37
Step by Step Solution
- Step 1: Write the proportion equation
126,777.14 : 190,271.30 = 66,827.14 : x - Step 2: Convert to fraction form
126,777.14/190,271.30 = 66,827.14/x - Step 3: Cross multiply
126,777.14x = 190,271.30 × 66,827.14 - Step 4: Simplify right side
126,777.14x = 12,715,286,803.08 - Step 5: Solve for x
x = 12,715,286,803.08/126,777.14 - Step 6: Final answer
x = 100,296.37
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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.