Finding the Fourth Proportional to 126,070.94, 173,973.48 and 68,709.08
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Solution
The fourth proportional to 126,070.94, 173,973.48 and 68,709.08 is: 94,816.12
Step by Step Solution
- Step 1: Write the proportion equation
126,070.94 : 173,973.48 = 68,709.08 : x - Step 2: Convert to fraction form
126,070.94/173,973.48 = 68,709.08/x - Step 3: Cross multiply
126,070.94x = 173,973.48 × 68,709.08 - Step 4: Simplify right side
126,070.94x = 11,953,557,755.20 - Step 5: Solve for x
x = 11,953,557,755.20/126,070.94 - Step 6: Final answer
x = 94,816.12
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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.