Finding the Fourth Proportional to 176,153.99, 243,089.37 and 107,218.53
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Solution
The fourth proportional to 176,153.99, 243,089.37 and 107,218.53 is: 147,959.67
Step by Step Solution
- Step 1: Write the proportion equation
176,153.99 : 243,089.37 = 107,218.53 : x - Step 2: Convert to fraction form
176,153.99/243,089.37 = 107,218.53/x - Step 3: Cross multiply
176,153.99x = 243,089.37 × 107,218.53 - Step 4: Simplify right side
176,153.99x = 26,063,684,910.03 - Step 5: Solve for x
x = 26,063,684,910.03/176,153.99 - Step 6: Final answer
x = 147,959.67
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1.5x scale
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.