Finding the Fourth Proportional to 124,563.70, 186,845.55 and 102,693.70
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Solution
The fourth proportional to 124,563.70, 186,845.55 and 102,693.70 is: 154,040.55
Step by Step Solution
- Step 1: Write the proportion equation
124,563.70 : 186,845.55 = 102,693.70 : x - Step 2: Convert to fraction form
124,563.70/186,845.55 = 102,693.70/x - Step 3: Cross multiply
124,563.70x = 186,845.55 × 102,693.70 - Step 4: Simplify right side
124,563.70x = 19,187,860,858.04 - Step 5: Solve for x
x = 19,187,860,858.04/124,563.70 - Step 6: Final answer
x = 154,040.55
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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.