Finding the Fourth Proportional to 130,953.24, 180,715.50 and 74,373.24
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Solution
The fourth proportional to 130,953.24, 180,715.50 and 74,373.24 is: 102,635.09
Step by Step Solution
- Step 1: Write the proportion equation
130,953.24 : 180,715.50 = 74,373.24 : x - Step 2: Convert to fraction form
130,953.24/180,715.50 = 74,373.24/x - Step 3: Cross multiply
130,953.24x = 180,715.50 × 74,373.24 - Step 4: Simplify right side
130,953.24x = 13,440,397,253.22 - Step 5: Solve for x
x = 13,440,397,253.22/130,953.24 - Step 6: Final answer
x = 102,635.09
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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.