Finding the Fourth Proportional to 116,026.84, 160,035.12 and 98,755.08
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Solution
The fourth proportional to 116,026.84, 160,035.12 and 98,755.08 is: 136,212.29
Step by Step Solution
- Step 1: Write the proportion equation
116,026.84 : 160,035.12 = 98,755.08 : x - Step 2: Convert to fraction form
116,026.84/160,035.12 = 98,755.08/x - Step 3: Cross multiply
116,026.84x = 160,035.12 × 98,755.08 - Step 4: Simplify right side
116,026.84x = 15,804,281,078.41 - Step 5: Solve for x
x = 15,804,281,078.41/116,026.84 - Step 6: Final answer
x = 136,212.29
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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.