Finding the Fourth Proportional to 121,651.23, 167,877.02 and 70,692.75
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Solution
The fourth proportional to 121,651.23, 167,877.02 and 70,692.75 is: 97,555.02
Step by Step Solution
- Step 1: Write the proportion equation
121,651.23 : 167,877.02 = 70,692.75 : x - Step 2: Convert to fraction form
121,651.23/167,877.02 = 70,692.75/x - Step 3: Cross multiply
121,651.23x = 167,877.02 × 70,692.75 - Step 4: Simplify right side
121,651.23x = 11,867,687,852.14 - Step 5: Solve for x
x = 11,867,687,852.14/121,651.23 - Step 6: Final answer
x = 97,555.02
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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.