Finding the Fourth Proportional to 106,664.38, 147,194.02 and 58,916.70
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Solution
The fourth proportional to 106,664.38, 147,194.02 and 58,916.70 is: 81,303.49
Step by Step Solution
- Step 1: Write the proportion equation
106,664.38 : 147,194.02 = 58,916.70 : x - Step 2: Convert to fraction form
106,664.38/147,194.02 = 58,916.70/x - Step 3: Cross multiply
106,664.38x = 147,194.02 × 58,916.70 - Step 4: Simplify right side
106,664.38x = 8,672,185,918.13 - Step 5: Solve for x
x = 8,672,185,918.13/106,664.38 - Step 6: Final answer
x = 81,303.49
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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.