Finding the Fourth Proportional to 125,905.30, 188,857.95 and 97,364.95
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Solution
The fourth proportional to 125,905.30, 188,857.95 and 97,364.95 is: 146,047.43
Step by Step Solution
- Step 1: Write the proportion equation
125,905.30 : 188,857.95 = 97,364.95 : x - Step 2: Convert to fraction form
125,905.30/188,857.95 = 97,364.95/x - Step 3: Cross multiply
125,905.30x = 188,857.95 × 97,364.95 - Step 4: Simplify right side
125,905.30x = 18,388,144,858.85 - Step 5: Solve for x
x = 18,388,144,858.85/125,905.30 - Step 6: Final answer
x = 146,047.43
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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.