Finding the Fourth Proportional to 134,134.10, 201,201.15 and 118,970.90
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Solution
The fourth proportional to 134,134.10, 201,201.15 and 118,970.90 is: 178,456.35
Step by Step Solution
- Step 1: Write the proportion equation
134,134.10 : 201,201.15 = 118,970.90 : x - Step 2: Convert to fraction form
134,134.10/201,201.15 = 118,970.90/x - Step 3: Cross multiply
134,134.10x = 201,201.15 × 118,970.90 - Step 4: Simplify right side
134,134.10x = 23,937,081,896.54 - Step 5: Solve for x
x = 23,937,081,896.54/134,134.10 - Step 6: Final answer
x = 178,456.35
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1.5x scale
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.