Finding the Fourth Proportional to 125,043.11, 187,583.12 and 36,285.08
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Solution
The fourth proportional to 125,043.11, 187,583.12 and 36,285.08 is: 54,432.98
Step by Step Solution
- Step 1: Write the proportion equation
125,043.11 : 187,583.12 = 36,285.08 : x - Step 2: Convert to fraction form
125,043.11/187,583.12 = 36,285.08/x - Step 3: Cross multiply
125,043.11x = 187,583.12 × 36,285.08 - Step 4: Simplify right side
125,043.11x = 6,806,469,075.52 - Step 5: Solve for x
x = 6,806,469,075.52/125,043.11 - Step 6: Final answer
x = 54,432.98
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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.