Finding the Fourth Proportional to 134,130.12, 185,098.68 and 73,701.42
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Solution
The fourth proportional to 134,130.12, 185,098.68 and 73,701.42 is: 101,707.47
Step by Step Solution
- Step 1: Write the proportion equation
134,130.12 : 185,098.68 = 73,701.42 : x - Step 2: Convert to fraction form
134,130.12/185,098.68 = 73,701.42/x - Step 3: Cross multiply
134,130.12x = 185,098.68 × 73,701.42 - Step 4: Simplify right side
134,130.12x = 13,642,035,556.13 - Step 5: Solve for x
x = 13,642,035,556.13/134,130.12 - Step 6: Final answer
x = 101,707.47
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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.