Finding the Fourth Proportional to 102,602.67, 153,588.67 and 87,469.08
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Solution
The fourth proportional to 102,602.67, 153,588.67 and 87,469.08 is: 130,934.81
Step by Step Solution
- Step 1: Write the proportion equation
102,602.67 : 153,588.67 = 87,469.08 : x - Step 2: Convert to fraction form
102,602.67/153,588.67 = 87,469.08/x - Step 3: Cross multiply
102,602.67x = 153,588.67 × 87,469.08 - Step 4: Simplify right side
102,602.67x = 13,434,260,224.64 - Step 5: Solve for x
x = 13,434,260,224.64/102,602.67 - Step 6: Final answer
x = 130,934.81
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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.