Finding the Fourth Proportional to 125,911.52, 173,758.56 and 69,322.92
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Solution
The fourth proportional to 125,911.52, 173,758.56 and 69,322.92 is: 95,665.99
Step by Step Solution
- Step 1: Write the proportion equation
125,911.52 : 173,758.56 = 69,322.92 : x - Step 2: Convert to fraction form
125,911.52/173,758.56 = 69,322.92/x - Step 3: Cross multiply
125,911.52x = 173,758.56 × 69,322.92 - Step 4: Simplify right side
125,911.52x = 12,045,450,754.20 - Step 5: Solve for x
x = 12,045,450,754.20/125,911.52 - Step 6: Final answer
x = 95,665.99
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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.