Finding the Fourth Proportional to 135,106.58, 202,700.88 and 71,915.95
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Solution
The fourth proportional to 135,106.58, 202,700.88 and 71,915.95 is: 107,895.75
Step by Step Solution
- Step 1: Write the proportion equation
135,106.58 : 202,700.88 = 71,915.95 : x - Step 2: Convert to fraction form
135,106.58/202,700.88 = 71,915.95/x - Step 3: Cross multiply
135,106.58x = 202,700.88 × 71,915.95 - Step 4: Simplify right side
135,106.58x = 14,577,426,604.41 - Step 5: Solve for x
x = 14,577,426,604.41/135,106.58 - Step 6: Final answer
x = 107,895.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.