Finding the Fourth Proportional to 125,135.23, 187,701.26 and 30,366.19
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Solution
The fourth proportional to 125,135.23, 187,701.26 and 30,366.19 is: 45,548.90
Step by Step Solution
- Step 1: Write the proportion equation
125,135.23 : 187,701.26 = 30,366.19 : x - Step 2: Convert to fraction form
125,135.23/187,701.26 = 30,366.19/x - Step 3: Cross multiply
125,135.23x = 187,701.26 × 30,366.19 - Step 4: Simplify right side
125,135.23x = 5,699,771,503.32 - Step 5: Solve for x
x = 5,699,771,503.32/125,135.23 - Step 6: Final answer
x = 45,548.90
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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.