Finding the Fourth Proportional to 135,090.70, 202,344.45 and 111,762.70
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Solution
The fourth proportional to 135,090.70, 202,344.45 and 111,762.70 is: 167,402.80
Step by Step Solution
- Step 1: Write the proportion equation
135,090.70 : 202,344.45 = 111,762.70 : x - Step 2: Convert to fraction form
135,090.70/202,344.45 = 111,762.70/x - Step 3: Cross multiply
135,090.70x = 202,344.45 × 111,762.70 - Step 4: Simplify right side
135,090.70x = 22,614,562,062.02 - Step 5: Solve for x
x = 22,614,562,062.02/135,090.70 - Step 6: Final answer
x = 167,402.80
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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.