Finding the Fourth Proportional to 126,207.88, 174,170.16 and 68,848.18
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Solution
The fourth proportional to 126,207.88, 174,170.16 and 68,848.18 is: 95,012.28
Step by Step Solution
- Step 1: Write the proportion equation
126,207.88 : 174,170.16 = 68,848.18 : x - Step 2: Convert to fraction form
126,207.88/174,170.16 = 68,848.18/x - Step 3: Cross multiply
126,207.88x = 174,170.16 × 68,848.18 - Step 4: Simplify right side
126,207.88x = 11,991,298,526.31 - Step 5: Solve for x
x = 11,991,298,526.31/126,207.88 - Step 6: Final answer
x = 95,012.28
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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.