Finding the Fourth Proportional to 106,901.21, 160,350.13 and 36,781.13
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Solution
The fourth proportional to 106,901.21, 160,350.13 and 36,781.13 is: 55,171.12
Step by Step Solution
- Step 1: Write the proportion equation
106,901.21 : 160,350.13 = 36,781.13 : x - Step 2: Convert to fraction form
106,901.21/160,350.13 = 36,781.13/x - Step 3: Cross multiply
106,901.21x = 160,350.13 × 36,781.13 - Step 4: Simplify right side
106,901.21x = 5,897,858,977.05 - Step 5: Solve for x
x = 5,897,858,977.05/106,901.21 - Step 6: Final answer
x = 55,171.12
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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.