Finding the Fourth Proportional to 111,238.29, 166,663.04 and 92,637.99
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Solution
The fourth proportional to 111,238.29, 166,663.04 and 92,637.99 is: 138,795.09
Step by Step Solution
- Step 1: Write the proportion equation
111,238.29 : 166,663.04 = 92,637.99 : x - Step 2: Convert to fraction form
111,238.29/166,663.04 = 92,637.99/x - Step 3: Cross multiply
111,238.29x = 166,663.04 × 92,637.99 - Step 4: Simplify right side
111,238.29x = 15,439,328,569.70 - Step 5: Solve for x
x = 15,439,328,569.70/111,238.29 - Step 6: Final answer
x = 138,795.09
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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.