Finding the Fourth Proportional to 97,710.55, 146,404.84 and 89,539.68
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Solution
The fourth proportional to 97,710.55, 146,404.84 and 89,539.68 is: 134,161.99
Step by Step Solution
- Step 1: Write the proportion equation
97,710.55 : 146,404.84 = 89,539.68 : x - Step 2: Convert to fraction form
97,710.55/146,404.84 = 89,539.68/x - Step 3: Cross multiply
97,710.55x = 146,404.84 × 89,539.68 - Step 4: Simplify right side
97,710.55x = 13,109,041,751.18 - Step 5: Solve for x
x = 13,109,041,751.18/97,710.55 - Step 6: Final answer
x = 134,161.99
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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.