Finding the Fourth Proportional to 146,895.20, 202,702.98 and 81,480.08
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Solution
The fourth proportional to 146,895.20, 202,702.98 and 81,480.08 is: 112,435.63
Step by Step Solution
- Step 1: Write the proportion equation
146,895.20 : 202,702.98 = 81,480.08 : x - Step 2: Convert to fraction form
146,895.20/202,702.98 = 81,480.08/x - Step 3: Cross multiply
146,895.20x = 202,702.98 × 81,480.08 - Step 4: Simplify right side
146,895.20x = 16,516,255,026.64 - Step 5: Solve for x
x = 16,516,255,026.64/146,895.20 - Step 6: Final answer
x = 112,435.63
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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.