Finding the Fourth Proportional to 113,064.66, 169,438.59 and 84,966.75
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Solution
The fourth proportional to 113,064.66, 169,438.59 and 84,966.75 is: 127,331.09
Step by Step Solution
- Step 1: Write the proportion equation
113,064.66 : 169,438.59 = 84,966.75 : x - Step 2: Convert to fraction form
113,064.66/169,438.59 = 84,966.75/x - Step 3: Cross multiply
113,064.66x = 169,438.59 × 84,966.75 - Step 4: Simplify right side
113,064.66x = 14,396,646,316.88 - Step 5: Solve for x
x = 14,396,646,316.88/113,064.66 - Step 6: Final answer
x = 127,331.09
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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.