Finding the Fourth Proportional to 119,664.92, 165,130.17 and 65,946.94
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Solution
The fourth proportional to 119,664.92, 165,130.17 and 65,946.94 is: 91,002.69
Step by Step Solution
- Step 1: Write the proportion equation
119,664.92 : 165,130.17 = 65,946.94 : x - Step 2: Convert to fraction form
119,664.92/165,130.17 = 65,946.94/x - Step 3: Cross multiply
119,664.92x = 165,130.17 × 65,946.94 - Step 4: Simplify right side
119,664.92x = 10,889,829,413.18 - Step 5: Solve for x
x = 10,889,829,413.18/119,664.92 - Step 6: Final answer
x = 91,002.69
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1.5x scale
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.