Finding the Fourth Proportional to 150,154.08, 207,122.60 and 99,166.92
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Solution
The fourth proportional to 150,154.08, 207,122.60 and 99,166.92 is: 136,790.89
Step by Step Solution
- Step 1: Write the proportion equation
150,154.08 : 207,122.60 = 99,166.92 : x - Step 2: Convert to fraction form
150,154.08/207,122.60 = 99,166.92/x - Step 3: Cross multiply
150,154.08x = 207,122.60 × 99,166.92 - Step 4: Simplify right side
150,154.08x = 20,539,709,808.56 - Step 5: Solve for x
x = 20,539,709,808.56/150,154.08 - Step 6: Final answer
x = 136,790.89
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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.