Finding the Fourth Proportional to 134,729.19, 185,962.14 and 79,586.82
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Solution
The fourth proportional to 134,729.19, 185,962.14 and 79,586.82 is: 109,850.99
Step by Step Solution
- Step 1: Write the proportion equation
134,729.19 : 185,962.14 = 79,586.82 : x - Step 2: Convert to fraction form
134,729.19/185,962.14 = 79,586.82/x - Step 3: Cross multiply
134,729.19x = 185,962.14 × 79,586.82 - Step 4: Simplify right side
134,729.19x = 14,800,135,362.99 - Step 5: Solve for x
x = 14,800,135,362.99/134,729.19 - Step 6: Final answer
x = 109,850.99
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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.