Finding the Fourth Proportional to 125,986.24, 188,986.25 and 51,095.26
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Solution
The fourth proportional to 125,986.24, 188,986.25 and 51,095.26 is: 76,645.68
Step by Step Solution
- Step 1: Write the proportion equation
125,986.24 : 188,986.25 = 51,095.26 : x - Step 2: Convert to fraction form
125,986.24/188,986.25 = 51,095.26/x - Step 3: Cross multiply
125,986.24x = 188,986.25 × 51,095.26 - Step 4: Simplify right side
125,986.24x = 9,656,301,580.18 - Step 5: Solve for x
x = 9,656,301,580.18/125,986.24 - Step 6: Final answer
x = 76,645.68
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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.