Finding the Fourth Proportional to 127,157.70, 175,474.14 and 69,796.95
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Solution
The fourth proportional to 127,157.70, 175,474.14 and 69,796.95 is: 96,317.88
Step by Step Solution
- Step 1: Write the proportion equation
127,157.70 : 175,474.14 = 69,796.95 : x - Step 2: Convert to fraction form
127,157.70/175,474.14 = 69,796.95/x - Step 3: Cross multiply
127,157.70x = 175,474.14 × 69,796.95 - Step 4: Simplify right side
127,157.70x = 12,247,559,775.87 - Step 5: Solve for x
x = 12,247,559,775.87/127,157.70 - Step 6: Final answer
x = 96,317.88
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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.