Finding the Fourth Proportional to 126,113.76, 189,170.64 and 37,368.54
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Solution
The fourth proportional to 126,113.76, 189,170.64 and 37,368.54 is: 56,052.81
Step by Step Solution
- Step 1: Write the proportion equation
126,113.76 : 189,170.64 = 37,368.54 : x - Step 2: Convert to fraction form
126,113.76/189,170.64 = 37,368.54/x - Step 3: Cross multiply
126,113.76x = 189,170.64 × 37,368.54 - Step 4: Simplify right side
126,113.76x = 7,069,030,627.67 - Step 5: Solve for x
x = 7,069,030,627.67/126,113.76 - Step 6: Final answer
x = 56,052.81
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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.