Finding the Fourth Proportional to 125,961.72, 188,534.34 and 92,674.68
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Solution
The fourth proportional to 125,961.72, 188,534.34 and 92,674.68 is: 138,711.66
Step by Step Solution
- Step 1: Write the proportion equation
125,961.72 : 188,534.34 = 92,674.68 : x - Step 2: Convert to fraction form
125,961.72/188,534.34 = 92,674.68/x - Step 3: Cross multiply
125,961.72x = 188,534.34 × 92,674.68 - Step 4: Simplify right side
125,961.72x = 17,472,359,628.51 - Step 5: Solve for x
x = 17,472,359,628.51/125,961.72 - Step 6: Final answer
x = 138,711.66
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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.