Finding the Fourth Proportional to 163,762.06, 225,973.36 and 92,140.54
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Solution
The fourth proportional to 163,762.06, 225,973.36 and 92,140.54 is: 127,143.66
Step by Step Solution
- Step 1: Write the proportion equation
163,762.06 : 225,973.36 = 92,140.54 : x - Step 2: Convert to fraction form
163,762.06/225,973.36 = 92,140.54/x - Step 3: Cross multiply
163,762.06x = 225,973.36 × 92,140.54 - Step 4: Simplify right side
163,762.06x = 20,821,307,416.01 - Step 5: Solve for x
x = 20,821,307,416.01/163,762.06 - Step 6: Final answer
x = 127,143.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.