Finding the Fourth Proportional to 126,798.24, 174,984.30 and 69,439.98
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Solution
The fourth proportional to 126,798.24, 174,984.30 and 69,439.98 is: 95,828.67
Step by Step Solution
- Step 1: Write the proportion equation
126,798.24 : 174,984.30 = 69,439.98 : x - Step 2: Convert to fraction form
126,798.24/174,984.30 = 69,439.98/x - Step 3: Cross multiply
126,798.24x = 174,984.30 × 69,439.98 - Step 4: Simplify right side
126,798.24x = 12,150,906,292.31 - Step 5: Solve for x
x = 12,150,906,292.31/126,798.24 - Step 6: Final answer
x = 95,828.67
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1.5x scale
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.