Finding the Fourth Proportional to 126,369.16, 189,460.09 and 59,731.44
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Solution
The fourth proportional to 126,369.16, 189,460.09 and 59,731.44 is: 89,552.89
Step by Step Solution
- Step 1: Write the proportion equation
126,369.16 : 189,460.09 = 59,731.44 : x - Step 2: Convert to fraction form
126,369.16/189,460.09 = 59,731.44/x - Step 3: Cross multiply
126,369.16x = 189,460.09 × 59,731.44 - Step 4: Simplify right side
126,369.16x = 11,316,723,998.23 - Step 5: Solve for x
x = 11,316,723,998.23/126,369.16 - Step 6: Final answer
x = 89,552.89
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1.5x scale
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.