Finding the Fourth Proportional to 176,169.39, 243,071.58 and 100,698.99
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Solution
The fourth proportional to 176,169.39, 243,071.58 and 100,698.99 is: 138,940.50
Step by Step Solution
- Step 1: Write the proportion equation
176,169.39 : 243,071.58 = 100,698.99 : x - Step 2: Convert to fraction form
176,169.39/243,071.58 = 100,698.99/x - Step 3: Cross multiply
176,169.39x = 243,071.58 × 100,698.99 - Step 4: Simplify right side
176,169.39x = 24,477,062,603.70 - Step 5: Solve for x
x = 24,477,062,603.70/176,169.39 - Step 6: Final answer
x = 138,940.50
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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.