Finding the Fourth Proportional to 117,193.66, 175,737.92 and 69,831.07
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Solution
The fourth proportional to 117,193.66, 175,737.92 and 69,831.07 is: 104,715.28
Step by Step Solution
- Step 1: Write the proportion equation
117,193.66 : 175,737.92 = 69,831.07 : x - Step 2: Convert to fraction form
117,193.66/175,737.92 = 69,831.07/x - Step 3: Cross multiply
117,193.66x = 175,737.92 × 69,831.07 - Step 4: Simplify right side
117,193.66x = 12,271,966,993.17 - Step 5: Solve for x
x = 12,271,966,993.17/117,193.66 - Step 6: Final answer
x = 104,715.28
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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.