Finding the Fourth Proportional to 125,916.52, 188,874.84 and 120,449.92
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Solution
The fourth proportional to 125,916.52, 188,874.84 and 120,449.92 is: 180,674.94
Step by Step Solution
- Step 1: Write the proportion equation
125,916.52 : 188,874.84 = 120,449.92 : x - Step 2: Convert to fraction form
125,916.52/188,874.84 = 120,449.92/x - Step 3: Cross multiply
125,916.52x = 188,874.84 × 120,449.92 - Step 4: Simplify right side
125,916.52x = 22,749,959,368.01 - Step 5: Solve for x
x = 22,749,959,368.01/125,916.52 - Step 6: Final answer
x = 180,674.94
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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.