Finding the Fourth Proportional to 122,516.04, 169,090.30 and 74,797.06
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Solution
The fourth proportional to 122,516.04, 169,090.30 and 74,797.06 is: 103,231.03
Step by Step Solution
- Step 1: Write the proportion equation
122,516.04 : 169,090.30 = 74,797.06 : x - Step 2: Convert to fraction form
122,516.04/169,090.30 = 74,797.06/x - Step 3: Cross multiply
122,516.04x = 169,090.30 × 74,797.06 - Step 4: Simplify right side
122,516.04x = 12,647,457,314.52 - Step 5: Solve for x
x = 12,647,457,314.52/122,516.04 - Step 6: Final answer
x = 103,231.03
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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.