Finding the Fourth Proportional to 108,202.12, 149,319.68 and 60,457.48
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Solution
The fourth proportional to 108,202.12, 149,319.68 and 60,457.48 is: 83,431.74
Step by Step Solution
- Step 1: Write the proportion equation
108,202.12 : 149,319.68 = 60,457.48 : x - Step 2: Convert to fraction form
108,202.12/149,319.68 = 60,457.48/x - Step 3: Cross multiply
108,202.12x = 149,319.68 × 60,457.48 - Step 4: Simplify right side
108,202.12x = 9,027,491,567.21 - Step 5: Solve for x
x = 9,027,491,567.21/108,202.12 - Step 6: Final answer
x = 83,431.74
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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.