Finding the Fourth Proportional to 113,119.99, 156,106.86 and 62,133.91
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Solution
The fourth proportional to 113,119.99, 156,106.86 and 62,133.91 is: 85,745.50
Step by Step Solution
- Step 1: Write the proportion equation
113,119.99 : 156,106.86 = 62,133.91 : x - Step 2: Convert to fraction form
113,119.99/156,106.86 = 62,133.91/x - Step 3: Cross multiply
113,119.99x = 156,106.86 × 62,133.91 - Step 4: Simplify right side
113,119.99x = 9,699,529,589.62 - Step 5: Solve for x
x = 9,699,529,589.62/113,119.99 - Step 6: Final answer
x = 85,745.50
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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.