Finding the Fourth Proportional to 163,510.44, 225,503.91 and 106,093.20
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Solution
The fourth proportional to 163,510.44, 225,503.91 and 106,093.20 is: 146,317.45
Step by Step Solution
- Step 1: Write the proportion equation
163,510.44 : 225,503.91 = 106,093.20 : x - Step 2: Convert to fraction form
163,510.44/225,503.91 = 106,093.20/x - Step 3: Cross multiply
163,510.44x = 225,503.91 × 106,093.20 - Step 4: Simplify right side
163,510.44x = 23,924,431,424.41 - Step 5: Solve for x
x = 23,924,431,424.41/163,510.44 - Step 6: Final answer
x = 146,317.45
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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.