Finding the Fourth Proportional to 105,233.16, 145,195.74 and 67,558.44
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Solution
The fourth proportional to 105,233.16, 145,195.74 and 67,558.44 is: 93,213.94
Step by Step Solution
- Step 1: Write the proportion equation
105,233.16 : 145,195.74 = 67,558.44 : x - Step 2: Convert to fraction form
105,233.16/145,195.74 = 67,558.44/x - Step 3: Cross multiply
105,233.16x = 145,195.74 × 67,558.44 - Step 4: Simplify right side
105,233.16x = 9,809,197,689.05 - Step 5: Solve for x
x = 9,809,197,689.05/105,233.16 - Step 6: Final answer
x = 93,213.94
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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.