Finding the Fourth Proportional to 145,672.95, 201,032.43 and 82,013.02
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Solution
The fourth proportional to 145,672.95, 201,032.43 and 82,013.02 is: 113,180.08
Step by Step Solution
- Step 1: Write the proportion equation
145,672.95 : 201,032.43 = 82,013.02 : x - Step 2: Convert to fraction form
145,672.95/201,032.43 = 82,013.02/x - Step 3: Cross multiply
145,672.95x = 201,032.43 × 82,013.02 - Step 4: Simplify right side
145,672.95x = 16,487,276,702.24 - Step 5: Solve for x
x = 16,487,276,702.24/145,672.95 - Step 6: Final answer
x = 113,180.08
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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.