Finding the Fourth Proportional to 120,313.99, 180,798.14 and 64,193.75
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Solution
The fourth proportional to 120,313.99, 180,798.14 and 64,193.75 is: 96,465.18
Step by Step Solution
- Step 1: Write the proportion equation
120,313.99 : 180,798.14 = 64,193.75 : x - Step 2: Convert to fraction form
120,313.99/180,798.14 = 64,193.75/x - Step 3: Cross multiply
120,313.99x = 180,798.14 × 64,193.75 - Step 4: Simplify right side
120,313.99x = 11,606,110,534.11 - Step 5: Solve for x
x = 11,606,110,534.11/120,313.99 - Step 6: Final answer
x = 96,465.18
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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.