Finding the Fourth Proportional to 106,501.36, 146,972.36 and 58,754.70
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Solution
The fourth proportional to 106,501.36, 146,972.36 and 58,754.70 is: 81,081.75
Step by Step Solution
- Step 1: Write the proportion equation
106,501.36 : 146,972.36 = 58,754.70 : x - Step 2: Convert to fraction form
106,501.36/146,972.36 = 58,754.70/x - Step 3: Cross multiply
106,501.36x = 146,972.36 × 58,754.70 - Step 4: Simplify right side
106,501.36x = 8,635,316,920.09 - Step 5: Solve for x
x = 8,635,316,920.09/106,501.36 - Step 6: Final answer
x = 81,081.75
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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.