Finding the Fourth Proportional to 112,184.62, 154,749.65 and 73,950.19
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Solution
The fourth proportional to 112,184.62, 154,749.65 and 73,950.19 is: 102,008.33
Step by Step Solution
- Step 1: Write the proportion equation
112,184.62 : 154,749.65 = 73,950.19 : x - Step 2: Convert to fraction form
112,184.62/154,749.65 = 73,950.19/x - Step 3: Cross multiply
112,184.62x = 154,749.65 × 73,950.19 - Step 4: Simplify right side
112,184.62x = 11,443,765,263.31 - Step 5: Solve for x
x = 11,443,765,263.31/112,184.62 - Step 6: Final answer
x = 102,008.33
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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.