Finding the Fourth Proportional to 127,113.83, 190,720.97 and 48,248.99
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Solution
The fourth proportional to 127,113.83, 190,720.97 and 48,248.99 is: 72,392.55
Step by Step Solution
- Step 1: Write the proportion equation
127,113.83 : 190,720.97 = 48,248.99 : x - Step 2: Convert to fraction form
127,113.83/190,720.97 = 48,248.99/x - Step 3: Cross multiply
127,113.83x = 190,720.97 × 48,248.99 - Step 4: Simplify right side
127,113.83x = 9,202,093,933.08 - Step 5: Solve for x
x = 9,202,093,933.08/127,113.83 - Step 6: Final answer
x = 72,392.55
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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.