Finding the Fourth Proportional to 110,112.99, 151,968.68 and 103,357.23
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Solution
The fourth proportional to 110,112.99, 151,968.68 and 103,357.23 is: 142,644.94
Step by Step Solution
- Step 1: Write the proportion equation
110,112.99 : 151,968.68 = 103,357.23 : x - Step 2: Convert to fraction form
110,112.99/151,968.68 = 103,357.23/x - Step 3: Cross multiply
110,112.99x = 151,968.68 × 103,357.23 - Step 4: Simplify right side
110,112.99x = 15,707,061,294.77 - Step 5: Solve for x
x = 15,707,061,294.77/110,112.99 - Step 6: Final answer
x = 142,644.94
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1.5x scale
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.