Finding the Fourth Proportional to 107,987.63, 149,026.99 and 60,250.21
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Solution
The fourth proportional to 107,987.63, 149,026.99 and 60,250.21 is: 83,147.56
Step by Step Solution
- Step 1: Write the proportion equation
107,987.63 : 149,026.99 = 60,250.21 : x - Step 2: Convert to fraction form
107,987.63/149,026.99 = 60,250.21/x - Step 3: Cross multiply
107,987.63x = 149,026.99 × 60,250.21 - Step 4: Simplify right side
107,987.63x = 8,978,907,443.17 - Step 5: Solve for x
x = 8,978,907,443.17/107,987.63 - Step 6: Final answer
x = 83,147.56
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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.