Finding the Fourth Proportional to 107,493.68, 148,359.12 and 62,163.92
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Solution
The fourth proportional to 107,493.68, 148,359.12 and 62,163.92 is: 85,796.53
Step by Step Solution
- Step 1: Write the proportion equation
107,493.68 : 148,359.12 = 62,163.92 : x - Step 2: Convert to fraction form
107,493.68/148,359.12 = 62,163.92/x - Step 3: Cross multiply
107,493.68x = 148,359.12 × 62,163.92 - Step 4: Simplify right side
107,493.68x = 9,222,584,466.95 - Step 5: Solve for x
x = 9,222,584,466.95/107,493.68 - Step 6: Final answer
x = 85,796.53
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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.