Finding the Fourth Proportional to 126,246.24, 189,188.88 and 92,703.12
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Solution
The fourth proportional to 126,246.24, 189,188.88 and 92,703.12 is: 138,922.15
Step by Step Solution
- Step 1: Write the proportion equation
126,246.24 : 189,188.88 = 92,703.12 : x - Step 2: Convert to fraction form
126,246.24/189,188.88 = 92,703.12/x - Step 3: Cross multiply
126,246.24x = 189,188.88 × 92,703.12 - Step 4: Simplify right side
126,246.24x = 17,538,399,445.31 - Step 5: Solve for x
x = 17,538,399,445.31/126,246.24 - Step 6: Final answer
x = 138,922.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.