Finding the Fourth Proportional to 119,060.56, 164,291.59 and 71,312.68
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Solution
The fourth proportional to 119,060.56, 164,291.59 and 71,312.68 is: 98,404.32
Step by Step Solution
- Step 1: Write the proportion equation
119,060.56 : 164,291.59 = 71,312.68 : x - Step 2: Convert to fraction form
119,060.56/164,291.59 = 71,312.68/x - Step 3: Cross multiply
119,060.56x = 164,291.59 × 71,312.68 - Step 4: Simplify right side
119,060.56x = 11,716,073,584.36 - Step 5: Solve for x
x = 11,716,073,584.36/119,060.56 - Step 6: Final answer
x = 98,404.32
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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.