Finding the Fourth Proportional to 101,614.49, 140,236.60 and 56,306.68
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Solution
The fourth proportional to 101,614.49, 140,236.60 and 56,306.68 is: 77,707.99
Step by Step Solution
- Step 1: Write the proportion equation
101,614.49 : 140,236.60 = 56,306.68 : x - Step 2: Convert to fraction form
101,614.49/140,236.60 = 56,306.68/x - Step 3: Cross multiply
101,614.49x = 140,236.60 × 56,306.68 - Step 4: Simplify right side
101,614.49x = 7,896,257,360.49 - Step 5: Solve for x
x = 7,896,257,360.49/101,614.49 - Step 6: Final answer
x = 77,707.99
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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.