Finding the Fourth Proportional to 112,286.16, 154,950.84 and 61,984.08
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Solution
The fourth proportional to 112,286.16, 154,950.84 and 61,984.08 is: 85,535.79
Step by Step Solution
- Step 1: Write the proportion equation
112,286.16 : 154,950.84 = 61,984.08 : x - Step 2: Convert to fraction form
112,286.16/154,950.84 = 61,984.08/x - Step 3: Cross multiply
112,286.16x = 154,950.84 × 61,984.08 - Step 4: Simplify right side
112,286.16x = 9,604,485,262.63 - Step 5: Solve for x
x = 9,604,485,262.63/112,286.16 - Step 6: Final answer
x = 85,535.79
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1.5x scale
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.