Finding the Fourth Proportional to 108,475.18, 149,750.12 and 68,211.12
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Solution
The fourth proportional to 108,475.18, 149,750.12 and 68,211.12 is: 94,165.54
Step by Step Solution
- Step 1: Write the proportion equation
108,475.18 : 149,750.12 = 68,211.12 : x - Step 2: Convert to fraction form
108,475.18/149,750.12 = 68,211.12/x - Step 3: Cross multiply
108,475.18x = 149,750.12 × 68,211.12 - Step 4: Simplify right side
108,475.18x = 10,214,623,405.33 - Step 5: Solve for x
x = 10,214,623,405.33/108,475.18 - Step 6: Final answer
x = 94,165.54
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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.