Finding the Fourth Proportional to 126,285.97, 174,273.51 and 68,924.74
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Solution
The fourth proportional to 126,285.97, 174,273.51 and 68,924.74 is: 95,115.53
Step by Step Solution
- Step 1: Write the proportion equation
126,285.97 : 174,273.51 = 68,924.74 : x - Step 2: Convert to fraction form
126,285.97/174,273.51 = 68,924.74/x - Step 3: Cross multiply
126,285.97x = 174,273.51 × 68,924.74 - Step 4: Simplify right side
126,285.97x = 12,011,756,365.64 - Step 5: Solve for x
x = 12,011,756,365.64/126,285.97 - Step 6: Final answer
x = 95,115.53
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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.