Finding the Fourth Proportional to 126,370.44, 174,392.00 and 69,781.80
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Solution
The fourth proportional to 126,370.44, 174,392.00 and 69,781.80 is: 96,299.32
Step by Step Solution
- Step 1: Write the proportion equation
126,370.44 : 174,392.00 = 69,781.80 : x - Step 2: Convert to fraction form
126,370.44/174,392.00 = 69,781.80/x - Step 3: Cross multiply
126,370.44x = 174,392.00 × 69,781.80 - Step 4: Simplify right side
126,370.44x = 12,169,387,316.69 - Step 5: Solve for x
x = 12,169,387,316.69/126,370.44 - Step 6: Final answer
x = 96,299.32
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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.