Finding the Fourth Proportional to 106,250.95, 159,203.21 and 61,915.06
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Solution
The fourth proportional to 106,250.95, 159,203.21 and 61,915.06 is: 92,771.65
Step by Step Solution
- Step 1: Write the proportion equation
106,250.95 : 159,203.21 = 61,915.06 : x - Step 2: Convert to fraction form
106,250.95/159,203.21 = 61,915.06/x - Step 3: Cross multiply
106,250.95x = 159,203.21 × 61,915.06 - Step 4: Simplify right side
106,250.95x = 9,857,076,056.12 - Step 5: Solve for x
x = 9,857,076,056.12/106,250.95 - Step 6: Final answer
x = 92,771.65
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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.