Finding the Fourth Proportional to 102,750.10, 154,122.99 and 47,346.10
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Solution
The fourth proportional to 102,750.10, 154,122.99 and 47,346.10 is: 71,018.15
Step by Step Solution
- Step 1: Write the proportion equation
102,750.10 : 154,122.99 = 47,346.10 : x - Step 2: Convert to fraction form
102,750.10/154,122.99 = 47,346.10/x - Step 3: Cross multiply
102,750.10x = 154,122.99 × 47,346.10 - Step 4: Simplify right side
102,750.10x = 7,297,122,496.84 - Step 5: Solve for x
x = 7,297,122,496.84/102,750.10 - Step 6: Final answer
x = 71,018.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.