Finding the Fourth Proportional to 113,195.84, 156,202.70 and 62,207.48
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Solution
The fourth proportional to 113,195.84, 156,202.70 and 62,207.48 is: 85,842.17
Step by Step Solution
- Step 1: Write the proportion equation
113,195.84 : 156,202.70 = 62,207.48 : x - Step 2: Convert to fraction form
113,195.84/156,202.70 = 62,207.48/x - Step 3: Cross multiply
113,195.84x = 156,202.70 × 62,207.48 - Step 4: Simplify right side
113,195.84x = 9,716,976,336.20 - Step 5: Solve for x
x = 9,716,976,336.20/113,195.84 - Step 6: Final answer
x = 85,842.17
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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.