Finding the Fourth Proportional to 107,590.24, 148,438.08 and 76,937.44
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Solution
The fourth proportional to 107,590.24, 148,438.08 and 76,937.44 is: 106,147.60
Step by Step Solution
- Step 1: Write the proportion equation
107,590.24 : 148,438.08 = 76,937.44 : x - Step 2: Convert to fraction form
107,590.24/148,438.08 = 76,937.44/x - Step 3: Cross multiply
107,590.24x = 148,438.08 × 76,937.44 - Step 4: Simplify right side
107,590.24x = 11,420,445,873.72 - Step 5: Solve for x
x = 11,420,445,873.72/107,590.24 - Step 6: Final answer
x = 106,147.60
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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.