Finding the Fourth Proportional to 130,699.23, 195,733.08 and 74,368.68
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Solution
The fourth proportional to 130,699.23, 195,733.08 and 74,368.68 is: 111,373.35
Step by Step Solution
- Step 1: Write the proportion equation
130,699.23 : 195,733.08 = 74,368.68 : x - Step 2: Convert to fraction form
130,699.23/195,733.08 = 74,368.68/x - Step 3: Cross multiply
130,699.23x = 195,733.08 × 74,368.68 - Step 4: Simplify right side
130,699.23x = 14,556,410,791.93 - Step 5: Solve for x
x = 14,556,410,791.93/130,699.23 - Step 6: Final answer
x = 111,373.35
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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.