Finding the Fourth Proportional to 130,522.24, 180,129.60 and 73,934.08
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Solution
The fourth proportional to 130,522.24, 180,129.60 and 73,934.08 is: 102,034.08
Step by Step Solution
- Step 1: Write the proportion equation
130,522.24 : 180,129.60 = 73,934.08 : x - Step 2: Convert to fraction form
130,522.24/180,129.60 = 73,934.08/x - Step 3: Cross multiply
130,522.24x = 180,129.60 × 73,934.08 - Step 4: Simplify right side
130,522.24x = 13,317,716,256.77 - Step 5: Solve for x
x = 13,317,716,256.77/130,522.24 - Step 6: Final answer
x = 102,034.08
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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.