Finding the Fourth Proportional to 125,160.74, 187,701.81 and 40,901.69
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Solution
The fourth proportional to 125,160.74, 187,701.81 and 40,901.69 is: 61,339.69
Step by Step Solution
- Step 1: Write the proportion equation
125,160.74 : 187,701.81 = 40,901.69 : x - Step 2: Convert to fraction form
125,160.74/187,701.81 = 40,901.69/x - Step 3: Cross multiply
125,160.74x = 187,701.81 × 40,901.69 - Step 4: Simplify right side
125,160.74x = 7,677,321,245.06 - Step 5: Solve for x
x = 7,677,321,245.06/125,160.74 - Step 6: Final answer
x = 61,339.69
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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.