Finding the Fourth Proportional to 125,566.20, 188,349.30 and 106,539.30
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Solution
The fourth proportional to 125,566.20, 188,349.30 and 106,539.30 is: 159,808.95
Step by Step Solution
- Step 1: Write the proportion equation
125,566.20 : 188,349.30 = 106,539.30 : x - Step 2: Convert to fraction form
125,566.20/188,349.30 = 106,539.30/x - Step 3: Cross multiply
125,566.20x = 188,349.30 × 106,539.30 - Step 4: Simplify right side
125,566.20x = 20,066,602,577.49 - Step 5: Solve for x
x = 20,066,602,577.49/125,566.20 - Step 6: Final answer
x = 159,808.95
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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.