Finding the Fourth Proportional to 132,056.19, 198,084.29 and 57,114.99
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Solution
The fourth proportional to 132,056.19, 198,084.29 and 57,114.99 is: 85,672.49
Step by Step Solution
- Step 1: Write the proportion equation
132,056.19 : 198,084.29 = 57,114.99 : x - Step 2: Convert to fraction form
132,056.19/198,084.29 = 57,114.99/x - Step 3: Cross multiply
132,056.19x = 198,084.29 × 57,114.99 - Step 4: Simplify right side
132,056.19x = 11,313,581,956.93 - Step 5: Solve for x
x = 11,313,581,956.93/132,056.19 - Step 6: Final answer
x = 85,672.49
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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.