Finding the Fourth Proportional to 126,246.58, 174,220.16 and 69,657.96
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Solution
The fourth proportional to 126,246.58, 174,220.16 and 69,657.96 is: 96,127.92
Step by Step Solution
- Step 1: Write the proportion equation
126,246.58 : 174,220.16 = 69,657.96 : x - Step 2: Convert to fraction form
126,246.58/174,220.16 = 69,657.96/x - Step 3: Cross multiply
126,246.58x = 174,220.16 × 69,657.96 - Step 4: Simplify right side
126,246.58x = 12,135,820,936.47 - Step 5: Solve for x
x = 12,135,820,936.47/126,246.58 - Step 6: Final answer
x = 96,127.92
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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.