Finding the Fourth Proportional to 126,330.12, 189,594.18 and 88,130.97
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Solution
The fourth proportional to 126,330.12, 189,594.18 and 88,130.97 is: 132,265.52
Step by Step Solution
- Step 1: Write the proportion equation
126,330.12 : 189,594.18 = 88,130.97 : x - Step 2: Convert to fraction form
126,330.12/189,594.18 = 88,130.97/x - Step 3: Cross multiply
126,330.12x = 189,594.18 × 88,130.97 - Step 4: Simplify right side
126,330.12x = 16,709,118,989.75 - Step 5: Solve for x
x = 16,709,118,989.75/126,330.12 - Step 6: Final answer
x = 132,265.52
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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.