Finding the Fourth Proportional to 107,400.92, 148,267.14 and 67,137.08
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Solution
The fourth proportional to 107,400.92, 148,267.14 and 67,137.08 is: 92,682.85
Step by Step Solution
- Step 1: Write the proportion equation
107,400.92 : 148,267.14 = 67,137.08 : x - Step 2: Convert to fraction form
107,400.92/148,267.14 = 67,137.08/x - Step 3: Cross multiply
107,400.92x = 148,267.14 × 67,137.08 - Step 4: Simplify right side
107,400.92x = 9,954,222,839.55 - Step 5: Solve for x
x = 9,954,222,839.55/107,400.92 - Step 6: Final answer
x = 92,682.85
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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.