Finding the Fourth Proportional to 132,723.90, 183,163.68 and 72,295.74
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Solution
The fourth proportional to 132,723.90, 183,163.68 and 72,295.74 is: 99,770.68
Step by Step Solution
- Step 1: Write the proportion equation
132,723.90 : 183,163.68 = 72,295.74 : x - Step 2: Convert to fraction form
132,723.90/183,163.68 = 72,295.74/x - Step 3: Cross multiply
132,723.90x = 183,163.68 × 72,295.74 - Step 4: Simplify right side
132,723.90x = 13,241,953,786.72 - Step 5: Solve for x
x = 13,241,953,786.72/132,723.90 - Step 6: Final answer
x = 99,770.68
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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.