Finding the Fourth Proportional to 126,281.97, 174,267.86 and 72,583.83
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Solution
The fourth proportional to 126,281.97, 174,267.86 and 72,583.83 is: 100,164.96
Step by Step Solution
- Step 1: Write the proportion equation
126,281.97 : 174,267.86 = 72,583.83 : x - Step 2: Convert to fraction form
126,281.97/174,267.86 = 72,583.83/x - Step 3: Cross multiply
126,281.97x = 174,267.86 × 72,583.83 - Step 4: Simplify right side
126,281.97x = 12,649,028,361.78 - Step 5: Solve for x
x = 12,649,028,361.78/126,281.97 - Step 6: Final answer
x = 100,164.96
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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.