Finding the Fourth Proportional to 146,384.53, 202,010.70 and 79,316.53
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Solution
The fourth proportional to 146,384.53, 202,010.70 and 79,316.53 is: 109,456.84
Step by Step Solution
- Step 1: Write the proportion equation
146,384.53 : 202,010.70 = 79,316.53 : x - Step 2: Convert to fraction form
146,384.53/202,010.70 = 79,316.53/x - Step 3: Cross multiply
146,384.53x = 202,010.70 × 79,316.53 - Step 4: Simplify right side
146,384.53x = 16,022,787,746.87 - Step 5: Solve for x
x = 16,022,787,746.87/146,384.53 - Step 6: Final answer
x = 109,456.84
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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.