Finding the Fourth Proportional to 153,023.24, 211,082.10 and 107,766.92
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Solution
The fourth proportional to 153,023.24, 211,082.10 and 107,766.92 is: 148,654.99
Step by Step Solution
- Step 1: Write the proportion equation
153,023.24 : 211,082.10 = 107,766.92 : x - Step 2: Convert to fraction form
153,023.24/211,082.10 = 107,766.92/x - Step 3: Cross multiply
153,023.24x = 211,082.10 × 107,766.92 - Step 4: Simplify right side
153,023.24x = 22,747,667,784.13 - Step 5: Solve for x
x = 22,747,667,784.13/153,023.24 - Step 6: Final answer
x = 148,654.99
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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.