Finding the Fourth Proportional to 112,122.63, 167,993.63 and 67,655.95
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Solution
The fourth proportional to 112,122.63, 167,993.63 and 67,655.95 is: 101,369.09
Step by Step Solution
- Step 1: Write the proportion equation
112,122.63 : 167,993.63 = 67,655.95 : x - Step 2: Convert to fraction form
112,122.63/167,993.63 = 67,655.95/x - Step 3: Cross multiply
112,122.63x = 167,993.63 × 67,655.95 - Step 4: Simplify right side
112,122.63x = 11,365,768,631.60 - Step 5: Solve for x
x = 11,365,768,631.60/112,122.63 - Step 6: Final answer
x = 101,369.09
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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.