Finding the Fourth Proportional to 134,653.17, 201,985.68 and 39,879.53
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Solution
The fourth proportional to 134,653.17, 201,985.68 and 39,879.53 is: 59,821.04
Step by Step Solution
- Step 1: Write the proportion equation
134,653.17 : 201,985.68 = 39,879.53 : x - Step 2: Convert to fraction form
134,653.17/201,985.68 = 39,879.53/x - Step 3: Cross multiply
134,653.17x = 201,985.68 × 39,879.53 - Step 4: Simplify right side
134,653.17x = 8,055,092,975.20 - Step 5: Solve for x
x = 8,055,092,975.20/134,653.17 - Step 6: Final answer
x = 59,821.04
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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.