Finding the Fourth Proportional to 123,372.24, 170,244.36 and 69,649.80
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Solution
The fourth proportional to 123,372.24, 170,244.36 and 69,649.80 is: 96,111.46
Step by Step Solution
- Step 1: Write the proportion equation
123,372.24 : 170,244.36 = 69,649.80 : x - Step 2: Convert to fraction form
123,372.24/170,244.36 = 69,649.80/x - Step 3: Cross multiply
123,372.24x = 170,244.36 × 69,649.80 - Step 4: Simplify right side
123,372.24x = 11,857,485,625.13 - Step 5: Solve for x
x = 11,857,485,625.13/123,372.24 - Step 6: Final answer
x = 96,111.46
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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.