Finding the Fourth Proportional to 146,152.08, 201,690.54 and 79,084.08
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Solution
The fourth proportional to 146,152.08, 201,690.54 and 79,084.08 is: 109,136.39
Step by Step Solution
- Step 1: Write the proportion equation
146,152.08 : 201,690.54 = 79,084.08 : x - Step 2: Convert to fraction form
146,152.08/201,690.54 = 79,084.08/x - Step 3: Cross multiply
146,152.08x = 201,690.54 × 79,084.08 - Step 4: Simplify right side
146,152.08x = 15,950,510,800.60 - Step 5: Solve for x
x = 15,950,510,800.60/146,152.08 - Step 6: Final answer
x = 109,136.39
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1.5x scale
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.