Finding the Fourth Proportional to 126,377.16, 189,472.08 and 59,739.44
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Solution
The fourth proportional to 126,377.16, 189,472.08 and 59,739.44 is: 89,564.89
Step by Step Solution
- Step 1: Write the proportion equation
126,377.16 : 189,472.08 = 59,739.44 : x - Step 2: Convert to fraction form
126,377.16/189,472.08 = 59,739.44/x - Step 3: Cross multiply
126,377.16x = 189,472.08 × 59,739.44 - Step 4: Simplify right side
126,377.16x = 11,318,955,954.84 - Step 5: Solve for x
x = 11,318,955,954.84/126,377.16 - Step 6: Final answer
x = 89,564.89
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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.