Finding the Fourth Proportional to 101,163.10, 141,365.90 and 101,163.10
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Solution
The fourth proportional to 101,163.10, 141,365.90 and 101,163.10 is: 141,365.90
Step by Step Solution
- Step 1: Write the proportion equation
101,163.10 : 141,365.90 = 101,163.10 : x - Step 2: Convert to fraction form
101,163.10/141,365.90 = 101,163.10/x - Step 3: Cross multiply
101,163.10x = 141,365.90 × 101,163.10 - Step 4: Simplify right side
101,163.10x = 14,301,012,678.29 - Step 5: Solve for x
x = 14,301,012,678.29/101,163.10 - Step 6: Final answer
x = 141,365.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.