Finding the Fourth Proportional to 96,289.62, 132,916.11 and 86,199.93
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Solution
The fourth proportional to 96,289.62, 132,916.11 and 86,199.93 is: 118,988.52
Step by Step Solution
- Step 1: Write the proportion equation
96,289.62 : 132,916.11 = 86,199.93 : x - Step 2: Convert to fraction form
96,289.62/132,916.11 = 86,199.93/x - Step 3: Cross multiply
96,289.62x = 132,916.11 × 86,199.93 - Step 4: Simplify right side
96,289.62x = 11,457,359,377.87 - Step 5: Solve for x
x = 11,457,359,377.87/96,289.62 - Step 6: Final answer
x = 118,988.52
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1.5x scale
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.