Finding the Fourth Proportional to 125,959.90, 173,816.64 and 69,371.26
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Solution
The fourth proportional to 125,959.90, 173,816.64 and 69,371.26 is: 95,727.92
Step by Step Solution
- Step 1: Write the proportion equation
125,959.90 : 173,816.64 = 69,371.26 : x - Step 2: Convert to fraction form
125,959.90/173,816.64 = 69,371.26/x - Step 3: Cross multiply
125,959.90x = 173,816.64 × 69,371.26 - Step 4: Simplify right side
125,959.90x = 12,057,879,325.77 - Step 5: Solve for x
x = 12,057,879,325.77/125,959.90 - Step 6: Final answer
x = 95,727.92
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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.