Finding the Fourth Proportional to 130,188.26, 195,212.94 and 61,727.87
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Solution
The fourth proportional to 130,188.26, 195,212.94 and 61,727.87 is: 92,558.88
Step by Step Solution
- Step 1: Write the proportion equation
130,188.26 : 195,212.94 = 61,727.87 : x - Step 2: Convert to fraction form
130,188.26/195,212.94 = 61,727.87/x - Step 3: Cross multiply
130,188.26x = 195,212.94 × 61,727.87 - Step 4: Simplify right side
130,188.26x = 12,050,079,239.19 - Step 5: Solve for x
x = 12,050,079,239.19/130,188.26 - Step 6: Final answer
x = 92,558.88
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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.