Finding the Fourth Proportional to 119,649.24, 165,117.06 and 65,936.18
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Solution
The fourth proportional to 119,649.24, 165,117.06 and 65,936.18 is: 90,992.54
Step by Step Solution
- Step 1: Write the proportion equation
119,649.24 : 165,117.06 = 65,936.18 : x - Step 2: Convert to fraction form
119,649.24/165,117.06 = 65,936.18/x - Step 3: Cross multiply
119,649.24x = 165,117.06 × 65,936.18 - Step 4: Simplify right side
119,649.24x = 10,887,188,602.02 - Step 5: Solve for x
x = 10,887,188,602.02/119,649.24 - Step 6: Final answer
x = 90,992.54
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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.