Finding the Fourth Proportional to 119,698.21, 165,184.05 and 65,982.07
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Solution
The fourth proportional to 119,698.21, 165,184.05 and 65,982.07 is: 91,055.54
Step by Step Solution
- Step 1: Write the proportion equation
119,698.21 : 165,184.05 = 65,982.07 : x - Step 2: Convert to fraction form
119,698.21/165,184.05 = 65,982.07/x - Step 3: Cross multiply
119,698.21x = 165,184.05 × 65,982.07 - Step 4: Simplify right side
119,698.21x = 10,899,185,549.98 - Step 5: Solve for x
x = 10,899,185,549.98/119,698.21 - Step 6: Final answer
x = 91,055.54
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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.