Finding the Fourth Proportional to 106,619.96, 147,136.50 and 58,876.94
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Solution
The fourth proportional to 106,619.96, 147,136.50 and 58,876.94 is: 81,250.70
Step by Step Solution
- Step 1: Write the proportion equation
106,619.96 : 147,136.50 = 58,876.94 : x - Step 2: Convert to fraction form
106,619.96/147,136.50 = 58,876.94/x - Step 3: Cross multiply
106,619.96x = 147,136.50 × 58,876.94 - Step 4: Simplify right side
106,619.96x = 8,662,946,146.63 - Step 5: Solve for x
x = 8,662,946,146.63/106,619.96 - Step 6: Final answer
x = 81,250.70
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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.