Finding the Fourth Proportional to 119,661.22, 165,133.57 and 65,948.18
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Solution
The fourth proportional to 119,661.22, 165,133.57 and 65,948.18 is: 91,009.09
Step by Step Solution
- Step 1: Write the proportion equation
119,661.22 : 165,133.57 = 65,948.18 : x - Step 2: Convert to fraction form
119,661.22/165,133.57 = 65,948.18/x - Step 3: Cross multiply
119,661.22x = 165,133.57 × 65,948.18 - Step 4: Simplify right side
119,661.22x = 10,890,258,398.40 - Step 5: Solve for x
x = 10,890,258,398.40/119,661.22 - Step 6: Final answer
x = 91,009.09
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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.