Finding the Fourth Proportional to 125,135.73, 187,702.01 and 30,366.69
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Solution
The fourth proportional to 125,135.73, 187,702.01 and 30,366.69 is: 45,549.65
Step by Step Solution
- Step 1: Write the proportion equation
125,135.73 : 187,702.01 = 30,366.69 : x - Step 2: Convert to fraction form
125,135.73/187,702.01 = 30,366.69/x - Step 3: Cross multiply
125,135.73x = 187,702.01 × 30,366.69 - Step 4: Simplify right side
125,135.73x = 5,699,888,598.21 - Step 5: Solve for x
x = 5,699,888,598.21/125,135.73 - Step 6: Final answer
x = 45,549.65
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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.