Finding the Fourth Proportional to 103,864.24, 143,335.44 and 63,577.26
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Solution
The fourth proportional to 103,864.24, 143,335.44 and 63,577.26 is: 87,738.33
Step by Step Solution
- Step 1: Write the proportion equation
103,864.24 : 143,335.44 = 63,577.26 : x - Step 2: Convert to fraction form
103,864.24/143,335.44 = 63,577.26/x - Step 3: Cross multiply
103,864.24x = 143,335.44 × 63,577.26 - Step 4: Simplify right side
103,864.24x = 9,112,874,536.09 - Step 5: Solve for x
x = 9,112,874,536.09/103,864.24 - Step 6: Final answer
x = 87,738.33
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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.