Finding the Fourth Proportional to 106,634.09, 159,950.67 and 43,440.12
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Solution
The fourth proportional to 106,634.09, 159,950.67 and 43,440.12 is: 65,159.99
Step by Step Solution
- Step 1: Write the proportion equation
106,634.09 : 159,950.67 = 43,440.12 : x - Step 2: Convert to fraction form
106,634.09/159,950.67 = 43,440.12/x - Step 3: Cross multiply
106,634.09x = 159,950.67 × 43,440.12 - Step 4: Simplify right side
106,634.09x = 6,948,276,298.88 - Step 5: Solve for x
x = 6,948,276,298.88/106,634.09 - Step 6: Final answer
x = 65,159.99
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1.5x scale
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.