Finding the Fourth Proportional to 126,344.24, 174,370.34 and 71,909.65
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Solution
The fourth proportional to 126,344.24, 174,370.34 and 71,909.65 is: 99,244.01
Step by Step Solution
- Step 1: Write the proportion equation
126,344.24 : 174,370.34 = 71,909.65 : x - Step 2: Convert to fraction form
126,344.24/174,370.34 = 71,909.65/x - Step 3: Cross multiply
126,344.24x = 174,370.34 × 71,909.65 - Step 4: Simplify right side
126,344.24x = 12,538,909,247.93 - Step 5: Solve for x
x = 12,538,909,247.93/126,344.24 - Step 6: Final answer
x = 99,244.01
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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.