Finding the Fourth Proportional to 163,722.91, 225,937.28 and 92,102.99
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Solution
The fourth proportional to 163,722.91, 225,937.28 and 92,102.99 is: 127,101.94
Step by Step Solution
- Step 1: Write the proportion equation
163,722.91 : 225,937.28 = 92,102.99 : x - Step 2: Convert to fraction form
163,722.91/225,937.28 = 92,102.99/x - Step 3: Cross multiply
163,722.91x = 225,937.28 × 92,102.99 - Step 4: Simplify right side
163,722.91x = 20,809,499,040.47 - Step 5: Solve for x
x = 20,809,499,040.47/163,722.91 - Step 6: Final answer
x = 127,101.94
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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.