Finding the Fourth Proportional to 119,159.01, 164,442.42 and 65,449.08
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Solution
The fourth proportional to 119,159.01, 164,442.42 and 65,449.08 is: 90,321.37
Step by Step Solution
- Step 1: Write the proportion equation
119,159.01 : 164,442.42 = 65,449.08 : x - Step 2: Convert to fraction form
119,159.01/164,442.42 = 65,449.08/x - Step 3: Cross multiply
119,159.01x = 164,442.42 × 65,449.08 - Step 4: Simplify right side
119,159.01x = 10,762,605,101.97 - Step 5: Solve for x
x = 10,762,605,101.97/119,159.01 - Step 6: Final answer
x = 90,321.37
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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.