Finding the Fourth Proportional to 122,270.18, 168,739.81 and 68,552.60
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Solution
The fourth proportional to 122,270.18, 168,739.81 and 68,552.60 is: 94,606.49
Step by Step Solution
- Step 1: Write the proportion equation
122,270.18 : 168,739.81 = 68,552.60 : x - Step 2: Convert to fraction form
122,270.18/168,739.81 = 68,552.60/x - Step 3: Cross multiply
122,270.18x = 168,739.81 × 68,552.60 - Step 4: Simplify right side
122,270.18x = 11,567,551,683.93 - Step 5: Solve for x
x = 11,567,551,683.93/122,270.18 - Step 6: Final answer
x = 94,606.49
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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.