Finding the Fourth Proportional to 126,195.40, 189,252.12 and 41,932.94
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Solution
The fourth proportional to 126,195.40, 189,252.12 and 41,932.94 is: 62,885.79
Step by Step Solution
- Step 1: Write the proportion equation
126,195.40 : 189,252.12 = 41,932.94 : x - Step 2: Convert to fraction form
126,195.40/189,252.12 = 41,932.94/x - Step 3: Cross multiply
126,195.40x = 189,252.12 × 41,932.94 - Step 4: Simplify right side
126,195.40x = 7,935,897,792.83 - Step 5: Solve for x
x = 7,935,897,792.83/126,195.40 - Step 6: Final answer
x = 62,885.79
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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.