Finding the Fourth Proportional to 130,568.21, 180,239.24 and 88,184.15
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Solution
The fourth proportional to 130,568.21, 180,239.24 and 88,184.15 is: 121,731.35
Step by Step Solution
- Step 1: Write the proportion equation
130,568.21 : 180,239.24 = 88,184.15 : x - Step 2: Convert to fraction form
130,568.21/180,239.24 = 88,184.15/x - Step 3: Cross multiply
130,568.21x = 180,239.24 × 88,184.15 - Step 4: Simplify right side
130,568.21x = 15,894,243,945.91 - Step 5: Solve for x
x = 15,894,243,945.91/130,568.21 - Step 6: Final answer
x = 121,731.35
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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.