Finding the Fourth Proportional to 146,862.75, 202,671.14 and 79,794.75
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Solution
The fourth proportional to 146,862.75, 202,671.14 and 79,794.75 is: 110,117.05
Step by Step Solution
- Step 1: Write the proportion equation
146,862.75 : 202,671.14 = 79,794.75 : x - Step 2: Convert to fraction form
146,862.75/202,671.14 = 79,794.75/x - Step 3: Cross multiply
146,862.75x = 202,671.14 × 79,794.75 - Step 4: Simplify right side
146,862.75x = 16,172,092,549.54 - Step 5: Solve for x
x = 16,172,092,549.54/146,862.75 - Step 6: Final answer
x = 110,117.05
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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.