Finding the Fourth Proportional to 107,078.55, 147,768.26 and 59,334.99
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Solution
The fourth proportional to 107,078.55, 147,768.26 and 59,334.99 is: 81,882.21
Step by Step Solution
- Step 1: Write the proportion equation
107,078.55 : 147,768.26 = 59,334.99 : x - Step 2: Convert to fraction form
107,078.55/147,768.26 = 59,334.99/x - Step 3: Cross multiply
107,078.55x = 147,768.26 × 59,334.99 - Step 4: Simplify right side
107,078.55x = 8,767,827,932.74 - Step 5: Solve for x
x = 8,767,827,932.74/107,078.55 - Step 6: Final answer
x = 81,882.21
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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.