Finding the Fourth Proportional to 129,266.88, 193,795.52 and 58,137.44
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Solution
The fourth proportional to 129,266.88, 193,795.52 and 58,137.44 is: 87,159.03
Step by Step Solution
- Step 1: Write the proportion equation
129,266.88 : 193,795.52 = 58,137.44 : x - Step 2: Convert to fraction form
129,266.88/193,795.52 = 58,137.44/x - Step 3: Cross multiply
129,266.88x = 193,795.52 × 58,137.44 - Step 4: Simplify right side
129,266.88x = 11,266,775,416.27 - Step 5: Solve for x
x = 11,266,775,416.27/129,266.88 - Step 6: Final answer
x = 87,159.03
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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.