Finding the Fourth Proportional to 118,502.21, 163,526.42 and 64,776.53
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Solution
The fourth proportional to 118,502.21, 163,526.42 and 64,776.53 is: 89,387.99
Step by Step Solution
- Step 1: Write the proportion equation
118,502.21 : 163,526.42 = 64,776.53 : x - Step 2: Convert to fraction form
118,502.21/163,526.42 = 64,776.53/x - Step 3: Cross multiply
118,502.21x = 163,526.42 × 64,776.53 - Step 4: Simplify right side
118,502.21x = 10,592,674,050.92 - Step 5: Solve for x
x = 10,592,674,050.92/118,502.21 - Step 6: Final answer
x = 89,387.99
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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.