Finding the Fourth Proportional to 119,869.65, 165,482.29 and 87,567.99
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Solution
The fourth proportional to 119,869.65, 165,482.29 and 87,567.99 is: 120,889.25
Step by Step Solution
- Step 1: Write the proportion equation
119,869.65 : 165,482.29 = 87,567.99 : x - Step 2: Convert to fraction form
119,869.65/165,482.29 = 87,567.99/x - Step 3: Cross multiply
119,869.65x = 165,482.29 × 87,567.99 - Step 4: Simplify right side
119,869.65x = 14,490,951,515.90 - Step 5: Solve for x
x = 14,490,951,515.90/119,869.65 - Step 6: Final answer
x = 120,889.25
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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.