Finding the Fourth Proportional to 107,130.98, 160,674.60 and 40,548.18
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Solution
The fourth proportional to 107,130.98, 160,674.60 and 40,548.18 is: 60,813.99
Step by Step Solution
- Step 1: Write the proportion equation
107,130.98 : 160,674.60 = 40,548.18 : x - Step 2: Convert to fraction form
107,130.98/160,674.60 = 40,548.18/x - Step 3: Cross multiply
107,130.98x = 160,674.60 × 40,548.18 - Step 4: Simplify right side
107,130.98x = 6,515,062,602.23 - Step 5: Solve for x
x = 6,515,062,602.23/107,130.98 - Step 6: Final answer
x = 60,813.99
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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.