Finding the Fourth Proportional to 119,565.66, 165,079.98 and 74,311.14
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Solution
The fourth proportional to 119,565.66, 165,079.98 and 74,311.14 is: 102,598.70
Step by Step Solution
- Step 1: Write the proportion equation
119,565.66 : 165,079.98 = 74,311.14 : x - Step 2: Convert to fraction form
119,565.66/165,079.98 = 74,311.14/x - Step 3: Cross multiply
119,565.66x = 165,079.98 × 74,311.14 - Step 4: Simplify right side
119,565.66x = 12,267,281,504.98 - Step 5: Solve for x
x = 12,267,281,504.98/119,565.66 - Step 6: Final answer
x = 102,598.70
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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.