Finding the Fourth Proportional to 98,206.59, 147,195.64 and 56,116.18
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Solution
The fourth proportional to 98,206.59, 147,195.64 and 56,116.18 is: 84,108.99
Step by Step Solution
- Step 1: Write the proportion equation
98,206.59 : 147,195.64 = 56,116.18 : x - Step 2: Convert to fraction form
98,206.59/147,195.64 = 56,116.18/x - Step 3: Cross multiply
98,206.59x = 147,195.64 × 56,116.18 - Step 4: Simplify right side
98,206.59x = 8,260,057,029.46 - Step 5: Solve for x
x = 8,260,057,029.46/98,206.59 - Step 6: Final answer
x = 84,108.99
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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.