Finding the Fourth Proportional to 126,302.29, 174,297.05 and 69,713.53
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Solution
The fourth proportional to 126,302.29, 174,297.05 and 69,713.53 is: 96,204.61
Step by Step Solution
- Step 1: Write the proportion equation
126,302.29 : 174,297.05 = 69,713.53 : x - Step 2: Convert to fraction form
126,302.29/174,297.05 = 69,713.53/x - Step 3: Cross multiply
126,302.29x = 174,297.05 × 69,713.53 - Step 4: Simplify right side
126,302.29x = 12,150,862,101.20 - Step 5: Solve for x
x = 12,150,862,101.20/126,302.29 - Step 6: Final answer
x = 96,204.61
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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.