Finding the Fourth Proportional to 163,189.10, 225,344.57 and 102,040.08
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Solution
The fourth proportional to 163,189.10, 225,344.57 and 102,040.08 is: 140,905.11
Step by Step Solution
- Step 1: Write the proportion equation
163,189.10 : 225,344.57 = 102,040.08 : x - Step 2: Convert to fraction form
163,189.10/225,344.57 = 102,040.08/x - Step 3: Cross multiply
163,189.10x = 225,344.57 × 102,040.08 - Step 4: Simplify right side
163,189.10x = 22,994,177,440.17 - Step 5: Solve for x
x = 22,994,177,440.17/163,189.10 - Step 6: Final answer
x = 140,905.11
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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.