Finding the Fourth Proportional to 134,735.91, 185,957.60 and 81,050.55
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Solution
The fourth proportional to 134,735.91, 185,957.60 and 81,050.55 is: 111,863.02
Step by Step Solution
- Step 1: Write the proportion equation
134,735.91 : 185,957.60 = 81,050.55 : x - Step 2: Convert to fraction form
134,735.91/185,957.60 = 81,050.55/x - Step 3: Cross multiply
134,735.91x = 185,957.60 × 81,050.55 - Step 4: Simplify right side
134,735.91x = 15,071,965,351.43 - Step 5: Solve for x
x = 15,071,965,351.43/134,735.91 - Step 6: Final answer
x = 111,863.02
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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.