Finding the Fourth Proportional to 158,692.05, 237,791.97 and 91,966.68
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Solution
The fourth proportional to 158,692.05, 237,791.97 and 91,966.68 is: 137,807.39
Step by Step Solution
- Step 1: Write the proportion equation
158,692.05 : 237,791.97 = 91,966.68 : x - Step 2: Convert to fraction form
158,692.05/237,791.97 = 91,966.68/x - Step 3: Cross multiply
158,692.05x = 237,791.97 × 91,966.68 - Step 4: Simplify right side
158,692.05x = 21,868,938,011.56 - Step 5: Solve for x
x = 21,868,938,011.56/158,692.05 - Step 6: Final answer
x = 137,807.39
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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.