Finding the Fourth Proportional to 136,045.36, 203,860.36 and 57,116.80
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Solution
The fourth proportional to 136,045.36, 203,860.36 and 57,116.80 is: 85,588.01
Step by Step Solution
- Step 1: Write the proportion equation
136,045.36 : 203,860.36 = 57,116.80 : x - Step 2: Convert to fraction form
136,045.36/203,860.36 = 57,116.80/x - Step 3: Cross multiply
136,045.36x = 203,860.36 × 57,116.80 - Step 4: Simplify right side
136,045.36x = 11,643,851,410.05 - Step 5: Solve for x
x = 11,643,851,410.05/136,045.36 - Step 6: Final answer
x = 85,588.01
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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.