Finding the Fourth Proportional to 158,126.84, 218,089.50 and 119,493.62
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Solution
The fourth proportional to 158,126.84, 218,089.50 and 119,493.62 is: 164,806.33
Step by Step Solution
- Step 1: Write the proportion equation
158,126.84 : 218,089.50 = 119,493.62 : x - Step 2: Convert to fraction form
158,126.84/218,089.50 = 119,493.62/x - Step 3: Cross multiply
158,126.84x = 218,089.50 × 119,493.62 - Step 4: Simplify right side
158,126.84x = 26,060,303,838.99 - Step 5: Solve for x
x = 26,060,303,838.99/158,126.84 - Step 6: Final answer
x = 164,806.33
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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.