Finding the Fourth Proportional to 101,110.95, 151,543.44 and 71,537.31
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Solution
The fourth proportional to 101,110.95, 151,543.44 and 71,537.31 is: 107,218.95
Step by Step Solution
- Step 1: Write the proportion equation
101,110.95 : 151,543.44 = 71,537.31 : x - Step 2: Convert to fraction form
101,110.95/151,543.44 = 71,537.31/x - Step 3: Cross multiply
101,110.95x = 151,543.44 × 71,537.31 - Step 4: Simplify right side
101,110.95x = 10,841,010,045.75 - Step 5: Solve for x
x = 10,841,010,045.75/101,110.95 - Step 6: Final answer
x = 107,218.95
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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.