Finding the Fourth Proportional to 124,334.97, 186,503.73 and 99,532.70
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Solution
The fourth proportional to 124,334.97, 186,503.73 and 99,532.70 is: 149,300.07
Step by Step Solution
- Step 1: Write the proportion equation
124,334.97 : 186,503.73 = 99,532.70 : x - Step 2: Convert to fraction form
124,334.97/186,503.73 = 99,532.70/x - Step 3: Cross multiply
124,334.97x = 186,503.73 × 99,532.70 - Step 4: Simplify right side
124,334.97x = 18,563,219,806.97 - Step 5: Solve for x
x = 18,563,219,806.97/124,334.97 - Step 6: Final answer
x = 149,300.07
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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.