Finding the Fourth Proportional to 106,448.36, 146,905.62 and 58,701.56
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Solution
The fourth proportional to 106,448.36, 146,905.62 and 58,701.56 is: 81,011.95
Step by Step Solution
- Step 1: Write the proportion equation
106,448.36 : 146,905.62 = 58,701.56 : x - Step 2: Convert to fraction form
106,448.36/146,905.62 = 58,701.56/x - Step 3: Cross multiply
106,448.36x = 146,905.62 × 58,701.56 - Step 4: Simplify right side
106,448.36x = 8,623,589,066.77 - Step 5: Solve for x
x = 8,623,589,066.77/106,448.36 - Step 6: Final answer
x = 81,011.95
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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.