Finding the Fourth Proportional to 126,197.67, 189,292.37 and 51,295.71
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Solution
The fourth proportional to 126,197.67, 189,292.37 and 51,295.71 is: 76,941.88
Step by Step Solution
- Step 1: Write the proportion equation
126,197.67 : 189,292.37 = 51,295.71 : x - Step 2: Convert to fraction form
126,197.67/189,292.37 = 51,295.71/x - Step 3: Cross multiply
126,197.67x = 189,292.37 × 51,295.71 - Step 4: Simplify right side
126,197.67x = 9,709,886,260.25 - Step 5: Solve for x
x = 9,709,886,260.25/126,197.67 - Step 6: Final answer
x = 76,941.88
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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.