Finding the Fourth Proportional to 124,453.08, 186,678.81 and 74,547.36
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Solution
The fourth proportional to 124,453.08, 186,678.81 and 74,547.36 is: 111,820.55
Step by Step Solution
- Step 1: Write the proportion equation
124,453.08 : 186,678.81 = 74,547.36 : x - Step 2: Convert to fraction form
124,453.08/186,678.81 = 74,547.36/x - Step 3: Cross multiply
124,453.08x = 186,678.81 × 74,547.36 - Step 4: Simplify right side
124,453.08x = 13,916,412,453.44 - Step 5: Solve for x
x = 13,916,412,453.44/124,453.08 - Step 6: Final answer
x = 111,820.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.