Finding the Fourth Proportional to 163,869.03, 245,831.64 and 75,130.14
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Solution
The fourth proportional to 163,869.03, 245,831.64 and 75,130.14 is: 112,708.09
Step by Step Solution
- Step 1: Write the proportion equation
163,869.03 : 245,831.64 = 75,130.14 : x - Step 2: Convert to fraction form
163,869.03/245,831.64 = 75,130.14/x - Step 3: Cross multiply
163,869.03x = 245,831.64 × 75,130.14 - Step 4: Simplify right side
163,869.03x = 18,469,365,529.63 - Step 5: Solve for x
x = 18,469,365,529.63/163,869.03 - Step 6: Final answer
x = 112,708.09
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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.