Finding the Fourth Proportional to 119,674.48, 165,151.79 and 65,959.63
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Solution
The fourth proportional to 119,674.48, 165,151.79 and 65,959.63 is: 91,024.84
Step by Step Solution
- Step 1: Write the proportion equation
119,674.48 : 165,151.79 = 65,959.63 : x - Step 2: Convert to fraction form
119,674.48/165,151.79 = 65,959.63/x - Step 3: Cross multiply
119,674.48x = 165,151.79 × 65,959.63 - Step 4: Simplify right side
119,674.48x = 10,893,350,962.24 - Step 5: Solve for x
x = 10,893,350,962.24/119,674.48 - Step 6: Final answer
x = 91,024.84
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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.