Finding the Fourth Proportional to 115,885.41, 173,534.09 and 97,116.09
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Solution
The fourth proportional to 115,885.41, 173,534.09 and 97,116.09 is: 145,427.73
Step by Step Solution
- Step 1: Write the proportion equation
115,885.41 : 173,534.09 = 97,116.09 : x - Step 2: Convert to fraction form
115,885.41/173,534.09 = 97,116.09/x - Step 3: Cross multiply
115,885.41x = 173,534.09 × 97,116.09 - Step 4: Simplify right side
115,885.41x = 16,852,951,816.93 - Step 5: Solve for x
x = 16,852,951,816.93/115,885.41 - Step 6: Final answer
x = 145,427.73
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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.