Finding the Fourth Proportional to 134,385.24, 185,457.42 and 80,674.68
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Solution
The fourth proportional to 134,385.24, 185,457.42 and 80,674.68 is: 111,334.53
Step by Step Solution
- Step 1: Write the proportion equation
134,385.24 : 185,457.42 = 80,674.68 : x - Step 2: Convert to fraction form
134,385.24/185,457.42 = 80,674.68/x - Step 3: Cross multiply
134,385.24x = 185,457.42 × 80,674.68 - Step 4: Simplify right side
134,385.24x = 14,961,718,012.13 - Step 5: Solve for x
x = 14,961,718,012.13/134,385.24 - Step 6: Final answer
x = 111,334.53
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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.