Finding the Fourth Proportional to 160,966.19, 222,032.29 and 103,679.75
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Solution
The fourth proportional to 160,966.19, 222,032.29 and 103,679.75 is: 143,012.97
Step by Step Solution
- Step 1: Write the proportion equation
160,966.19 : 222,032.29 = 103,679.75 : x - Step 2: Convert to fraction form
160,966.19/222,032.29 = 103,679.75/x - Step 3: Cross multiply
160,966.19x = 222,032.29 × 103,679.75 - Step 4: Simplify right side
160,966.19x = 23,020,252,319.13 - Step 5: Solve for x
x = 23,020,252,319.13/160,966.19 - Step 6: Final answer
x = 143,012.97
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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.