Finding the Fourth Proportional to 136,976.24, 205,462.14 and 52,754.88
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Solution
The fourth proportional to 136,976.24, 205,462.14 and 52,754.88 is: 79,131.46
Step by Step Solution
- Step 1: Write the proportion equation
136,976.24 : 205,462.14 = 52,754.88 : x - Step 2: Convert to fraction form
136,976.24/205,462.14 = 52,754.88/x - Step 3: Cross multiply
136,976.24x = 205,462.14 × 52,754.88 - Step 4: Simplify right side
136,976.24x = 10,839,130,540.24 - Step 5: Solve for x
x = 10,839,130,540.24/136,976.24 - Step 6: Final answer
x = 79,131.46
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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.