Finding the Fourth Proportional to 103,746.11, 155,520.74 and 51,094.08
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Solution
The fourth proportional to 103,746.11, 155,520.74 and 51,094.08 is: 76,592.65
Step by Step Solution
- Step 1: Write the proportion equation
103,746.11 : 155,520.74 = 51,094.08 : x - Step 2: Convert to fraction form
103,746.11/155,520.74 = 51,094.08/x - Step 3: Cross multiply
103,746.11x = 155,520.74 × 51,094.08 - Step 4: Simplify right side
103,746.11x = 7,946,188,875.75 - Step 5: Solve for x
x = 7,946,188,875.75/103,746.11 - Step 6: Final answer
x = 76,592.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.