Finding the Fourth Proportional to 163,642.93, 225,800.96 and 92,018.68
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Solution
The fourth proportional to 163,642.93, 225,800.96 and 92,018.68 is: 126,970.99
Step by Step Solution
- Step 1: Write the proportion equation
163,642.93 : 225,800.96 = 92,018.68 : x - Step 2: Convert to fraction form
163,642.93/225,800.96 = 92,018.68/x - Step 3: Cross multiply
163,642.93x = 225,800.96 × 92,018.68 - Step 4: Simplify right side
163,642.93x = 20,777,905,257.34 - Step 5: Solve for x
x = 20,777,905,257.34/163,642.93 - Step 6: Final answer
x = 126,970.99
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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.