Finding the Fourth Proportional to 106,426.08, 158,700.21 and 101,193.60
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Solution
The fourth proportional to 106,426.08, 158,700.21 and 101,193.60 is: 150,897.65
Step by Step Solution
- Step 1: Write the proportion equation
106,426.08 : 158,700.21 = 101,193.60 : x - Step 2: Convert to fraction form
106,426.08/158,700.21 = 101,193.60/x - Step 3: Cross multiply
106,426.08x = 158,700.21 × 101,193.60 - Step 4: Simplify right side
106,426.08x = 16,059,445,570.66 - Step 5: Solve for x
x = 16,059,445,570.66/106,426.08 - Step 6: Final answer
x = 150,897.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.