Finding the Fourth Proportional to 126,740.08, 174,898.60 and 69,377.91
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Solution
The fourth proportional to 126,740.08, 174,898.60 and 69,377.91 is: 95,740.03
Step by Step Solution
- Step 1: Write the proportion equation
126,740.08 : 174,898.60 = 69,377.91 : x - Step 2: Convert to fraction form
126,740.08/174,898.60 = 69,377.91/x - Step 3: Cross multiply
126,740.08x = 174,898.60 × 69,377.91 - Step 4: Simplify right side
126,740.08x = 12,134,099,329.93 - Step 5: Solve for x
x = 12,134,099,329.93/126,740.08 - Step 6: Final answer
x = 95,740.03
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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.