Finding the Fourth Proportional to 134,484.36, 185,580.99 and 74,052.60
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Solution
The fourth proportional to 134,484.36, 185,580.99 and 74,052.60 is: 102,188.50
Step by Step Solution
- Step 1: Write the proportion equation
134,484.36 : 185,580.99 = 74,052.60 : x - Step 2: Convert to fraction form
134,484.36/185,580.99 = 74,052.60/x - Step 3: Cross multiply
134,484.36x = 185,580.99 × 74,052.60 - Step 4: Simplify right side
134,484.36x = 13,742,754,820.07 - Step 5: Solve for x
x = 13,742,754,820.07/134,484.36 - Step 6: Final answer
x = 102,188.50
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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.