Finding the Fourth Proportional to 107,394.18, 148,205.79 and 58,998.15
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Solution
The fourth proportional to 107,394.18, 148,205.79 and 58,998.15 is: 81,418.45
Step by Step Solution
- Step 1: Write the proportion equation
107,394.18 : 148,205.79 = 58,998.15 : x - Step 2: Convert to fraction form
107,394.18/148,205.79 = 58,998.15/x - Step 3: Cross multiply
107,394.18x = 148,205.79 × 58,998.15 - Step 4: Simplify right side
107,394.18x = 8,743,867,429.29 - Step 5: Solve for x
x = 8,743,867,429.29/107,394.18 - Step 6: Final answer
x = 81,418.45
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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.