Finding the Fourth Proportional to 115,829.13, 160,149.21 and 101,447.73
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Solution
The fourth proportional to 115,829.13, 160,149.21 and 101,447.73 is: 140,265.00
Step by Step Solution
- Step 1: Write the proportion equation
115,829.13 : 160,149.21 = 101,447.73 : x - Step 2: Convert to fraction form
115,829.13/160,149.21 = 101,447.73/x - Step 3: Cross multiply
115,829.13x = 160,149.21 × 101,447.73 - Step 4: Simplify right side
115,829.13x = 16,246,773,435.36 - Step 5: Solve for x
x = 16,246,773,435.36/115,829.13 - Step 6: Final answer
x = 140,265.00
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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.