Finding the Fourth Proportional to 146,165.76, 201,540.60 and 107,980.56
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Solution
The fourth proportional to 146,165.76, 201,540.60 and 107,980.56 is: 148,888.95
Step by Step Solution
- Step 1: Write the proportion equation
146,165.76 : 201,540.60 = 107,980.56 : x - Step 2: Convert to fraction form
146,165.76/201,540.60 = 107,980.56/x - Step 3: Cross multiply
146,165.76x = 201,540.60 × 107,980.56 - Step 4: Simplify right side
146,165.76x = 21,762,466,850.74 - Step 5: Solve for x
x = 21,762,466,850.74/146,165.76 - Step 6: Final answer
x = 148,888.95
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1.5x scale
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.