Finding the Fourth Proportional to 106,389.66, 159,113.93 and 94,625.99
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Solution
The fourth proportional to 106,389.66, 159,113.93 and 94,625.99 is: 141,520.44
Step by Step Solution
- Step 1: Write the proportion equation
106,389.66 : 159,113.93 = 94,625.99 : x - Step 2: Convert to fraction form
106,389.66/159,113.93 = 94,625.99/x - Step 3: Cross multiply
106,389.66x = 159,113.93 × 94,625.99 - Step 4: Simplify right side
106,389.66x = 15,056,311,880.34 - Step 5: Solve for x
x = 15,056,311,880.34/106,389.66 - Step 6: Final answer
x = 141,520.44
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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.