Finding the Fourth Proportional to 119,919.14, 179,864.36 and 93,291.70
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Solution
The fourth proportional to 119,919.14, 179,864.36 and 93,291.70 is: 139,926.39
Step by Step Solution
- Step 1: Write the proportion equation
119,919.14 : 179,864.36 = 93,291.70 : x - Step 2: Convert to fraction form
119,919.14/179,864.36 = 93,291.70/x - Step 3: Cross multiply
119,919.14x = 179,864.36 × 93,291.70 - Step 4: Simplify right side
119,919.14x = 16,779,851,913.81 - Step 5: Solve for x
x = 16,779,851,913.81/119,919.14 - Step 6: Final answer
x = 139,926.39
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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.