Finding the Fourth Proportional to 113,369.80, 170,054.70 and 101,122.60
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Solution
The fourth proportional to 113,369.80, 170,054.70 and 101,122.60 is: 151,683.90
Step by Step Solution
- Step 1: Write the proportion equation
113,369.80 : 170,054.70 = 101,122.60 : x - Step 2: Convert to fraction form
113,369.80/170,054.70 = 101,122.60/x - Step 3: Cross multiply
113,369.80x = 170,054.70 × 101,122.60 - Step 4: Simplify right side
113,369.80x = 17,196,373,406.22 - Step 5: Solve for x
x = 17,196,373,406.22/113,369.80 - Step 6: Final answer
x = 151,683.90
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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.