Finding the Fourth Proportional to 126,370.98, 174,390.87 and 69,781.14
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Solution
The fourth proportional to 126,370.98, 174,390.87 and 69,781.14 is: 96,297.38
Step by Step Solution
- Step 1: Write the proportion equation
126,370.98 : 174,390.87 = 69,781.14 : x - Step 2: Convert to fraction form
126,370.98/174,390.87 = 69,781.14/x - Step 3: Cross multiply
126,370.98x = 174,390.87 × 69,781.14 - Step 4: Simplify right side
126,370.98x = 12,169,193,714.19 - Step 5: Solve for x
x = 12,169,193,714.19/126,370.98 - Step 6: Final answer
x = 96,297.38
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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.