Finding the Fourth Proportional to 119,312.24, 178,729.44 and 71,900.96
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Solution
The fourth proportional to 119,312.24, 178,729.44 and 71,900.96 is: 107,707.46
Step by Step Solution
- Step 1: Write the proportion equation
119,312.24 : 178,729.44 = 71,900.96 : x - Step 2: Convert to fraction form
119,312.24/178,729.44 = 71,900.96/x - Step 3: Cross multiply
119,312.24x = 178,729.44 × 71,900.96 - Step 4: Simplify right side
119,312.24x = 12,850,818,316.26 - Step 5: Solve for x
x = 12,850,818,316.26/119,312.24 - Step 6: Final answer
x = 107,707.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.