Finding the Fourth Proportional to 126,126.30, 174,049.88 and 69,537.26
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Solution
The fourth proportional to 126,126.30, 174,049.88 and 69,537.26 is: 95,958.99
Step by Step Solution
- Step 1: Write the proportion equation
126,126.30 : 174,049.88 = 69,537.26 : x - Step 2: Convert to fraction form
126,126.30/174,049.88 = 69,537.26/x - Step 3: Cross multiply
126,126.30x = 174,049.88 × 69,537.26 - Step 4: Simplify right side
126,126.30x = 12,102,951,758.53 - Step 5: Solve for x
x = 12,102,951,758.53/126,126.30 - Step 6: Final answer
x = 95,958.99
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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.