Finding the Fourth Proportional to 163,745.28, 225,970.56 and 92,125.44
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Solution
The fourth proportional to 163,745.28, 225,970.56 and 92,125.44 is: 127,134.27
Step by Step Solution
- Step 1: Write the proportion equation
163,745.28 : 225,970.56 = 92,125.44 : x - Step 2: Convert to fraction form
163,745.28/225,970.56 = 92,125.44/x - Step 3: Cross multiply
163,745.28x = 225,970.56 × 92,125.44 - Step 4: Simplify right side
163,745.28x = 20,817,637,267.05 - Step 5: Solve for x
x = 20,817,637,267.05/163,745.28 - Step 6: Final answer
x = 127,134.27
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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.