Finding the Fourth Proportional to 166,726.13, 230,082.07 and 91,274.63
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Solution
The fourth proportional to 166,726.13, 230,082.07 and 91,274.63 is: 125,958.99
Step by Step Solution
- Step 1: Write the proportion equation
166,726.13 : 230,082.07 = 91,274.63 : x - Step 2: Convert to fraction form
166,726.13/230,082.07 = 91,274.63/x - Step 3: Cross multiply
166,726.13x = 230,082.07 × 91,274.63 - Step 4: Simplify right side
166,726.13x = 21,000,654,430.29 - Step 5: Solve for x
x = 21,000,654,430.29/166,726.13 - Step 6: Final answer
x = 125,958.99
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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.