Finding the Fourth Proportional to 134,721.99, 185,952.12 and 79,579.67
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Solution
The fourth proportional to 134,721.99, 185,952.12 and 79,579.67 is: 109,841.08
Step by Step Solution
- Step 1: Write the proportion equation
134,721.99 : 185,952.12 = 79,579.67 : x - Step 2: Convert to fraction form
134,721.99/185,952.12 = 79,579.67/x - Step 3: Cross multiply
134,721.99x = 185,952.12 × 79,579.67 - Step 4: Simplify right side
134,721.99x = 14,798,008,610.83 - Step 5: Solve for x
x = 14,798,008,610.83/134,721.99 - Step 6: Final answer
x = 109,841.08
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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.