Finding the Fourth Proportional to 106,590.54, 147,036.74 and 74,273.97
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Solution
The fourth proportional to 106,590.54, 147,036.74 and 74,273.97 is: 102,457.52
Step by Step Solution
- Step 1: Write the proportion equation
106,590.54 : 147,036.74 = 74,273.97 : x - Step 2: Convert to fraction form
106,590.54/147,036.74 = 74,273.97/x - Step 3: Cross multiply
106,590.54x = 147,036.74 × 74,273.97 - Step 4: Simplify right side
106,590.54x = 10,921,002,044.29 - Step 5: Solve for x
x = 10,921,002,044.29/106,590.54 - Step 6: Final answer
x = 102,457.52
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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.