Finding the Fourth Proportional to 105,696.54, 158,545.08 and 26,817.12
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Solution
The fourth proportional to 105,696.54, 158,545.08 and 26,817.12 is: 40,225.75
Step by Step Solution
- Step 1: Write the proportion equation
105,696.54 : 158,545.08 = 26,817.12 : x - Step 2: Convert to fraction form
105,696.54/158,545.08 = 26,817.12/x - Step 3: Cross multiply
105,696.54x = 158,545.08 × 26,817.12 - Step 4: Simplify right side
105,696.54x = 4,251,722,435.77 - Step 5: Solve for x
x = 4,251,722,435.77/105,696.54 - Step 6: Final answer
x = 40,225.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.