Finding the Fourth Proportional to 159,560.09, 220,192.47 and 87,940.10
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Solution
The fourth proportional to 159,560.09, 220,192.47 and 87,940.10 is: 121,357.09
Step by Step Solution
- Step 1: Write the proportion equation
159,560.09 : 220,192.47 = 87,940.10 : x - Step 2: Convert to fraction form
159,560.09/220,192.47 = 87,940.10/x - Step 3: Cross multiply
159,560.09x = 220,192.47 × 87,940.10 - Step 4: Simplify right side
159,560.09x = 19,363,747,831.05 - Step 5: Solve for x
x = 19,363,747,831.05/159,560.09 - Step 6: Final answer
x = 121,357.09
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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.