Finding the Fourth Proportional to 106,116.56, 146,430.36 and 60,785.84
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Solution
The fourth proportional to 106,116.56, 146,430.36 and 60,785.84 is: 83,878.45
Step by Step Solution
- Step 1: Write the proportion equation
106,116.56 : 146,430.36 = 60,785.84 : x - Step 2: Convert to fraction form
106,116.56/146,430.36 = 60,785.84/x - Step 3: Cross multiply
106,116.56x = 146,430.36 × 60,785.84 - Step 4: Simplify right side
106,116.56x = 8,900,892,434.10 - Step 5: Solve for x
x = 8,900,892,434.10/106,116.56 - Step 6: Final answer
x = 83,878.45
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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.