Finding the Fourth Proportional to 110,792.91, 152,891.58 and 61,734.18
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Solution
The fourth proportional to 110,792.91, 152,891.58 and 61,734.18 is: 85,191.70
Step by Step Solution
- Step 1: Write the proportion equation
110,792.91 : 152,891.58 = 61,734.18 : x - Step 2: Convert to fraction form
110,792.91/152,891.58 = 61,734.18/x - Step 3: Cross multiply
110,792.91x = 152,891.58 × 61,734.18 - Step 4: Simplify right side
110,792.91x = 9,438,637,125.05 - Step 5: Solve for x
x = 9,438,637,125.05/110,792.91 - Step 6: Final answer
x = 85,191.70
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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.