Finding the Fourth Proportional to 110,122.92, 151,970.04 and 62,385.12
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Solution
The fourth proportional to 110,122.92, 151,970.04 and 62,385.12 is: 86,091.70
Step by Step Solution
- Step 1: Write the proportion equation
110,122.92 : 151,970.04 = 62,385.12 : x - Step 2: Convert to fraction form
110,122.92/151,970.04 = 62,385.12/x - Step 3: Cross multiply
110,122.92x = 151,970.04 × 62,385.12 - Step 4: Simplify right side
110,122.92x = 9,480,669,181.80 - Step 5: Solve for x
x = 9,480,669,181.80/110,122.92 - Step 6: Final answer
x = 86,091.70
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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.