Finding the Fourth Proportional to 131,322.24, 181,234.08 and 74,751.84
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Solution
The fourth proportional to 131,322.24, 181,234.08 and 74,751.84 is: 103,162.88
Step by Step Solution
- Step 1: Write the proportion equation
131,322.24 : 181,234.08 = 74,751.84 : x - Step 2: Convert to fraction form
131,322.24/181,234.08 = 74,751.84/x - Step 3: Cross multiply
131,322.24x = 181,234.08 × 74,751.84 - Step 4: Simplify right side
131,322.24x = 13,547,580,950.71 - Step 5: Solve for x
x = 13,547,580,950.71/131,322.24 - Step 6: Final answer
x = 103,162.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.