Finding the Fourth Proportional to 93,189.15, 139,645.49 and 68,444.19
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Solution
The fourth proportional to 93,189.15, 139,645.49 and 68,444.19 is: 102,564.75
Step by Step Solution
- Step 1: Write the proportion equation
93,189.15 : 139,645.49 = 68,444.19 : x - Step 2: Convert to fraction form
93,189.15/139,645.49 = 68,444.19/x - Step 3: Cross multiply
93,189.15x = 139,645.49 × 68,444.19 - Step 4: Simplify right side
93,189.15x = 9,557,922,107.98 - Step 5: Solve for x
x = 9,557,922,107.98/93,189.15 - Step 6: Final answer
x = 102,564.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.