Finding the Fourth Proportional to 134,542.98, 185,655.36 and 82,851.87
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Solution
The fourth proportional to 134,542.98, 185,655.36 and 82,851.87 is: 114,326.99
Step by Step Solution
- Step 1: Write the proportion equation
134,542.98 : 185,655.36 = 82,851.87 : x - Step 2: Convert to fraction form
134,542.98/185,655.36 = 82,851.87/x - Step 3: Cross multiply
134,542.98x = 185,655.36 × 82,851.87 - Step 4: Simplify right side
134,542.98x = 15,381,893,751.52 - Step 5: Solve for x
x = 15,381,893,751.52/134,542.98 - Step 6: Final answer
x = 114,326.99
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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.