Finding the Fourth Proportional to 109,739.68, 164,609.56 and 26,633.68
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Solution
The fourth proportional to 109,739.68, 164,609.56 and 26,633.68 is: 39,950.53
Step by Step Solution
- Step 1: Write the proportion equation
109,739.68 : 164,609.56 = 26,633.68 : x - Step 2: Convert to fraction form
109,739.68/164,609.56 = 26,633.68/x - Step 3: Cross multiply
109,739.68x = 164,609.56 × 26,633.68 - Step 4: Simplify right side
109,739.68x = 4,384,158,345.98 - Step 5: Solve for x
x = 4,384,158,345.98/109,739.68 - Step 6: Final answer
x = 39,950.53
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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.