Finding the Fourth Proportional to 130.11, 194.76 and 93.49
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Solution
The fourth proportional to 130.11, 194.76 and 93.49 is: 139.94
Step by Step Solution
- Step 1: Write the proportion equation
130.11 : 194.76 = 93.49 : x - Step 2: Convert to fraction form
130.11/194.76 = 93.49/x - Step 3: Cross multiply
130.11x = 194.76 × 93.49 - Step 4: Simplify right side
130.11x = 18,207.63 - Step 5: Solve for x
x = 18,207.63/130.11 - Step 6: Final answer
x = 139.94
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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.