Finding the Fourth Proportional to 125,655.05, 187,577.88 and 107,692.03
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Solution
The fourth proportional to 125,655.05, 187,577.88 and 107,692.03 is: 160,762.68
Step by Step Solution
- Step 1: Write the proportion equation
125,655.05 : 187,577.88 = 107,692.03 : x - Step 2: Convert to fraction form
125,655.05/187,577.88 = 107,692.03/x - Step 3: Cross multiply
125,655.05x = 187,577.88 × 107,692.03 - Step 4: Simplify right side
125,655.05x = 20,200,642,510.92 - Step 5: Solve for x
x = 20,200,642,510.92/125,655.05 - Step 6: Final answer
x = 160,762.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.