Finding the Fourth Proportional to 122,938.22, 169,652.84 and 69,223.07
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Solution
The fourth proportional to 122,938.22, 169,652.84 and 69,223.07 is: 95,526.76
Step by Step Solution
- Step 1: Write the proportion equation
122,938.22 : 169,652.84 = 69,223.07 : x - Step 2: Convert to fraction form
122,938.22/169,652.84 = 69,223.07/x - Step 3: Cross multiply
122,938.22x = 169,652.84 × 69,223.07 - Step 4: Simplify right side
122,938.22x = 11,743,889,224.64 - Step 5: Solve for x
x = 11,743,889,224.64/122,938.22 - Step 6: Final answer
x = 95,526.76
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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.