Finding the Fourth Proportional to 125,137.23, 187,704.25 and 30,368.19
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Solution
The fourth proportional to 125,137.23, 187,704.25 and 30,368.19 is: 45,551.90
Step by Step Solution
- Step 1: Write the proportion equation
125,137.23 : 187,704.25 = 30,368.19 : x - Step 2: Convert to fraction form
125,137.23/187,704.25 = 30,368.19/x - Step 3: Cross multiply
125,137.23x = 187,704.25 × 30,368.19 - Step 4: Simplify right side
125,137.23x = 5,700,238,327.81 - Step 5: Solve for x
x = 5,700,238,327.81/125,137.23 - Step 6: Final answer
x = 45,551.90
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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.