Finding the Fourth Proportional to 158,988.43, 219,356.18 and 95,302.99
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Solution
The fourth proportional to 158,988.43, 219,356.18 and 95,302.99 is: 131,489.44
Step by Step Solution
- Step 1: Write the proportion equation
158,988.43 : 219,356.18 = 95,302.99 : x - Step 2: Convert to fraction form
158,988.43/219,356.18 = 95,302.99/x - Step 3: Cross multiply
158,988.43x = 219,356.18 × 95,302.99 - Step 4: Simplify right side
158,988.43x = 20,905,298,970.45 - Step 5: Solve for x
x = 20,905,298,970.45/158,988.43 - Step 6: Final answer
x = 131,489.44
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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.