Finding the Fourth Proportional to 124,496.99, 186,792.66 and 74,612.88
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Solution
The fourth proportional to 124,496.99, 186,792.66 and 74,612.88 is: 111,947.60
Step by Step Solution
- Step 1: Write the proportion equation
124,496.99 : 186,792.66 = 74,612.88 : x - Step 2: Convert to fraction form
124,496.99/186,792.66 = 74,612.88/x - Step 3: Cross multiply
124,496.99x = 186,792.66 × 74,612.88 - Step 4: Simplify right side
124,496.99x = 13,937,138,325.46 - Step 5: Solve for x
x = 13,937,138,325.46/124,496.99 - Step 6: Final answer
x = 111,947.60
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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.