Finding the Fourth Proportional to 106,548.44, 147,041.64 and 61,241.12
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Solution
The fourth proportional to 106,548.44, 147,041.64 and 61,241.12 is: 84,515.50
Step by Step Solution
- Step 1: Write the proportion equation
106,548.44 : 147,041.64 = 61,241.12 : x - Step 2: Convert to fraction form
106,548.44/147,041.64 = 61,241.12/x - Step 3: Cross multiply
106,548.44x = 147,041.64 × 61,241.12 - Step 4: Simplify right side
106,548.44x = 9,004,994,720.24 - Step 5: Solve for x
x = 9,004,994,720.24/106,548.44 - Step 6: Final answer
x = 84,515.50
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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.