Finding the Fourth Proportional to 107,760.26, 148,699.08 and 62,439.98
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Solution
The fourth proportional to 107,760.26, 148,699.08 and 62,439.98 is: 86,161.33
Step by Step Solution
- Step 1: Write the proportion equation
107,760.26 : 148,699.08 = 62,439.98 : x - Step 2: Convert to fraction form
107,760.26/148,699.08 = 62,439.98/x - Step 3: Cross multiply
107,760.26x = 148,699.08 × 62,439.98 - Step 4: Simplify right side
107,760.26x = 9,284,767,581.22 - Step 5: Solve for x
x = 9,284,767,581.22/107,760.26 - Step 6: Final answer
x = 86,161.33
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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.