Finding the Fourth Proportional to 107,542.08, 161,205.12 and 40,965.12
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Solution
The fourth proportional to 107,542.08, 161,205.12 and 40,965.12 is: 61,406.54
Step by Step Solution
- Step 1: Write the proportion equation
107,542.08 : 161,205.12 = 40,965.12 : x - Step 2: Convert to fraction form
107,542.08/161,205.12 = 40,965.12/x - Step 3: Cross multiply
107,542.08x = 161,205.12 × 40,965.12 - Step 4: Simplify right side
107,542.08x = 6,603,787,085.41 - Step 5: Solve for x
x = 6,603,787,085.41/107,542.08 - Step 6: Final answer
x = 61,406.54
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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.