Finding the Fourth Proportional to 126,457.97, 174,515.51 and 69,872.99
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Solution
The fourth proportional to 126,457.97, 174,515.51 and 69,872.99 is: 96,426.66
Step by Step Solution
- Step 1: Write the proportion equation
126,457.97 : 174,515.51 = 69,872.99 : x - Step 2: Convert to fraction form
126,457.97/174,515.51 = 69,872.99/x - Step 3: Cross multiply
126,457.97x = 174,515.51 × 69,872.99 - Step 4: Simplify right side
126,457.97x = 12,193,919,787.18 - Step 5: Solve for x
x = 12,193,919,787.18/126,457.97 - Step 6: Final answer
x = 96,426.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.