Finding the Fourth Proportional to 125,212.08, 187,735.07 and 40,942.72
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Solution
The fourth proportional to 125,212.08, 187,735.07 and 40,942.72 is: 61,386.92
Step by Step Solution
- Step 1: Write the proportion equation
125,212.08 : 187,735.07 = 40,942.72 : x - Step 2: Convert to fraction form
125,212.08/187,735.07 = 40,942.72/x - Step 3: Cross multiply
125,212.08x = 187,735.07 × 40,942.72 - Step 4: Simplify right side
125,212.08x = 7,686,384,405.19 - Step 5: Solve for x
x = 7,686,384,405.19/125,212.08 - Step 6: Final answer
x = 61,386.92
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1.5x scale
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.