Finding the Fourth Proportional to 100,076.84, 150,115.40 and 25,196.99
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Solution
The fourth proportional to 100,076.84, 150,115.40 and 25,196.99 is: 37,795.51
Step by Step Solution
- Step 1: Write the proportion equation
100,076.84 : 150,115.40 = 25,196.99 : x - Step 2: Convert to fraction form
100,076.84/150,115.40 = 25,196.99/x - Step 3: Cross multiply
100,076.84x = 150,115.40 × 25,196.99 - Step 4: Simplify right side
100,076.84x = 3,782,455,356.08 - Step 5: Solve for x
x = 3,782,455,356.08/100,076.84 - Step 6: Final answer
x = 37,795.51
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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.